The sparks generated by striking steel against a flint provide the activation energy to initiate combustion in this Bunsen burner. |
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This made steel much more economical, thereby leading to wrought iron no longer being produced in large quantities. |
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In the second stage, pig iron is converted to wrought iron, steel, or cast iron. |
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Since pure iron is quite soft, it is most commonly combined with alloying elements to make steel. |
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Pig iron is not a saleable product, but rather an intermediate step in the production of cast iron and steel. |
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The steel can then be tempered by reheating to a temperature in between, changing the proportions of pearlite and martensite. |
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Mild steel corrodes more readily than wrought iron, but is cheaper and more widely available. |
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In the 13th century water mills used for hammering throughout Europe improved the productivity of early steel manufacturing. |
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The law also applies when a stretched steel wire is twisted by pulling on a lever attached to one end. |
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The invention of processes for making cheap steel were important for many forms of mechanization and transportation. |
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A synergy between iron and steel, railroads and coal developed at the beginning of the Second Industrial Revolution. |
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Cleaving the air with bloodstroke upon bloodstroke, Jarl made his bitter steel sing. |
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The availability of cheap steel allowed building larger bridges, railroads, skyscrapers, and ships. |
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With large amounts of steel it became possible to build much more powerful guns and carriages, tanks, armored fighting vehicles and naval ships. |
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The increase in steel production from the 1860s meant that railroads could finally be made from steel at a competitive cost. |
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An extension to the Newport Southern Distributor Road through the old Corus steel works is being considered. |
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Steel rails lasted over ten times longer than did iron, and with the falling cost of steel, heavier weight rails were used. |
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Vanadium steel, for example, is strong and fatigue resistant, and was used in half the automotive steel. |
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Other major components of this infrastructure were the new methods for manufacturing steel, especially the Bessemer process. |
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Morgan in 1901, who purchased and consolidated steel firms built by Andrew Carnegie and others. |
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Sheffield once had heavy industries, such as coal mining and the steel industry. |
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Recent use of wood has been changed by the addition of steel and bronze into construction. |
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The steel industry in Bangladesh is concentrated in the port city of Chittagong. |
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In 1802, a battery of beehives was set up near Sheffield, to coke the Silkstone seam for use in crucible steel melting. |
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Other inputs may include intermediate goods used in production of final goods, such as the steel in a new car. |
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The shell of the cupola, being usually made of steel, has refractory brick and plastic refractory patching material lining it. |
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In the regions with strong traditions of metallurgy, the steel production actually increased during this period. |
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In general, the properties of malleable cast iron are more like those of mild steel. |
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The interior was purely functional and spare, a large open space of steel, glass and concrete where the only decoration was the structure itself. |
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The gymasim, built of concrete, features a roof suspended over the stadium on steel cables. |
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Blue Stilton's distinctive blue veins are created by piercing the crust of the cheese with stainless steel needles, allowing air into the core. |
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Many products described as wrought iron, such as guard rails, garden furniture and gates, are actually made of mild steel. |
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Pig iron and cast iron have higher carbon content than wrought iron, but have a lower melting point than iron or steel. |
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Balti, as a food, is named after the steel or iron pot in which it is cooked. |
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It involved taking molten steel from a Bessemer converter and pouring it into cooler liquid slag. |
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This pattern can be seen in textile production, mining and eventually steel, shipbuilding, rail working and other industries. |
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The roof is a glass and steel construction, built by an Austrian steelwork company, with 1,656 uniquely shaped panes of glass. |
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There is no engineering advantage as compared to cast iron or steel, both of which are cheaper. |
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Wrought iron may be welded in the same manner as mild steel, but the presence of oxide or inclusions will give defective results. |
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In Table 1, the chemical composition of wrought iron is compared to that of pig iron and carbon steel. |
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Although it appears that wrought iron and plain carbon steel have similar chemical compositions, that is deceiving. |
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There is a steel foundry owned by Goodwin Steel Castings Ltd in Joiner's Square. |
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Caunton Engineering, steel constructors, on the site of Moorgreen Colliery in Eastwood built the Olympics Water Polo Arena. |
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The steel points come in 2 common lengths, 32mm and 41mm and are sometimes knurled or coated to improve grip. |
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The puddling process began to be displaced with the introduction of the Bessemer process, which produced steel. |
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The puddling furnace is a metalmaking technology used to create wrought iron or steel from the pig iron produced in a blast furnace. |
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Wenlock and Mandeville are animations depicting two drops of steel from a steelworks in Bolton. |
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Cold rolled steel is then annealed to induce ductility in the cold rolled steel which is simply known as a Cold Rolled and Close Annealed. |
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The process consisted in preparing the metal by metallothermic reduction of titanium tetrachloride with sodium metal in a steel bomb. |
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Roll bending produces a cylindrical shaped product from plate or steel metals. |
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The helm on which the crest was borne was originally a simple steel design, sometimes with gold embellishments. |
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Above them, speaking over a steel garden of microphones, the agitator sweated and scowled out into the darkening street. |
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Modern steel is generally identified by various grades defined by assorted standards organizations. |
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Carbon contents higher than those of steel make a brittle alloy commonly called pig iron. |
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Major industries include iron, steel, chemicals, food processing, pharmaceuticals, shipbuilding and construction. |
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Techniques for production of high quality steel were developed by Benjamin Huntsman in England in the 18th century. |
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The cut beams will be lifted to the floor by minicranes, which will place the steel into specially designed containers. |
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No large inclusions of cementite will form at the boundaries in hypoeuctoid steel. |
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It is common for quench cracks to form when steel is water quenched, although they may not always be visible. |
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Rockefeller, and Andrew Carnegie led the nation's progress in railroad, petroleum, and steel industries. |
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Annealing is the process of heating the steel to a sufficiently high temperature to relieve local internal stresses. |
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The temperature required to anneal a particular steel depends on the type of annealing to be achieved and the alloying constituents. |
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Quenching involves heating the steel to create the austenite phase then quenching it in water or oil. |
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The steel is then tempered, which is just a specialized type of annealing, to reduce brittleness. |
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To become steel, it must be reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. |
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In modern steel mills these processes often occur in one assembly line, with ore coming in and finished steel products coming out. |
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Horace identifies steel weapons such as the falcata in the Iberian Peninsula, while Noric steel was used by the Roman military. |
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This came to be known as Wootz steel, produced in South India by about sixth century BC and exported globally. |
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In 327 BCE, Alexander the Great was rewarded by the defeated King Porus, not with gold or silver but with 30 pounds of steel. |
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The ancient Sinhalese managed to extract a ton of steel for every 2 tons of soil, a remarkable feat at the time. |
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One such furnace was found in Samanalawewa and archaeologists were able to produce steel as the ancients did. |
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Since the 17th century the first step in European steel production has been the smelting of iron ore into pig iron in a blast furnace. |
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During the 17th century it was realized that the best steel came from oregrounds iron of a region north of Stockholm, Sweden. |
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Crucible steel is steel that has been melted in a crucible rather than having been forged, with the result that it is more homogeneous. |
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Most previous furnaces could not reach high enough temperatures to melt the steel. |
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The puddling process continued to be used until the late 19th century when iron was being displaced by steel. |
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The raw material for this was blister steel, made by the cementation process. |
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The economic boom in China and India has caused a massive increase in the demand for steel in recent years. |
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Representative of Germany's industry was the steel giant Krupp, whose first factory was built in Essen. |
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The provinces overrun by Germany had produced 40 percent of French coal and 58 percent of its steel output. |
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Most of the more commonly used steel alloys are categorized into various grades by standards organizations. |
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For example, the Society of Automotive Engineers has a series of grades defining many types of steel. |
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The JIS also define series of steel grades that are being used extensively in Japan as well as in third world countries. |
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Iron and steel are used widely in the construction of roads, railways, other infrastructure, appliances, and buildings. |
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Most large modern structures, such as stadiums and skyscrapers, bridges, and airports, are supported by a steel skeleton. |
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Overseas customers for British produce had been lost, especially for traditional exports such as textiles, steel and coal. |
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With the advent of speedier and thriftier production methods, steel has become easier to obtain and much cheaper. |
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Carbon fiber is replacing steel in some cost insensitive applications such as aircraft, sports equipment and high end automobiles. |
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There were noted disagreements about the involvement of the state with the steel industry. |
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In January 1946 the Allied Control Council set the foundation of the future German economy by putting a cap on German steel production. |
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It did not include the nationalisation of iron and steel, which was aaproved only by the Labour Party. |
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The local cutlery manufacturers refused to buy Huntsman's cast steel, as it was harder than the German steel they were accustomed to using. |
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In ancient times steel and iron were impossible to melt using charcoal or coal fires, which could not produce temperatures high enough. |
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Crucible steel of this type was produced in South and Central Asia during the medieval era. |
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Huntsman used coke rather than coal or charcoal, achieving temperatures high enough to melt steel and dissolve iron. |
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Similarly, it allowed steel to simply be poured into molds, or cast, for the first time. |
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The homogeneous crystal structure of this cast steel improved its strength and hardness compared to preceding forms of steel. |
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This produced the first steel of modern quality, providing a means of efficiently changing excess wrought iron into useful steel. |
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The ECSC's aim was to combine the coal and steel industries of its members to create a single market in those resources. |
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In this process, wrought iron and cast iron may be heated together in a crucible to produce steel by fusion. |
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Major industries include banking and financial services, steel, transport equipment, oil and gas, whisky, and tourism. |
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If you refuse, I'll have you killed on the spot and I swear I will ravage every island with fire and steel. |
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By the seventeenth century the main centre of crucible steel production seems to have been in Hyderabad. |
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The shipyards, marine engineering, steel making, and heavy industry all contributed to the growth of the city. |
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The Sri Lankan system of crucible steel making was partially independent of the various Indian and Middle Eastern systems. |
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The supply of cheaper iron and steel aided a number of industries, such as those making nails, hinges, wire and other hardware items. |
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Archaeological work at Akhsiket, has identified that the crucible steel process was of the carburization of iron metal. |
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The first European references to crucible steel seem to be no earlier than the Post Medieval period. |
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The 18th, 19th and early 20th century saw a heady period of European interest in trying to understand the nature and properties of wootz steel. |
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Benjamin Huntsman was a clockmaker in search of a better steel for clock springs. |
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In Handsworth near Sheffield, he began producing steel in 1740 after years of experimenting in secret. |
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The Bank of Japan, founded in 1882, used taxes to fund model steel and textile factories. |
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Visitors can travel on the suspended cradle most days and can walk over the top of the steel framework on bank holidays. |
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The steel, originally intended for making clock springs, was later used in other applications such as scissors, axes and swords. |
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Previous to Huntsman, the most common method of producing steel was the manufacture of shear steel. |
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To help homogenize the steel, it was pounded into flat plates, which were stacked and forge welded together. |
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Cardiff was soon among the most important coal ports in the world and Swansea among the most important steel ports. |
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Thus, further attempts to homogenize the steel resulted in a carbon content too low for use in items like springs, cutlery, swords, or tools. |
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Bessemer steel was being displaced by the open hearth furnace near the end of the 19th century. |
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With the use of fluxes it also allowed the removal of most impurities, producing the first steel of modern quality. |
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Another benefit was that it allowed other elements to be alloyed with the steel. |
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Modern ships, since roughly 1940, have been produced almost exclusively of welded steel. |
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Although it is commonly accepted that modern steel has eliminated brittle fracture in ships, some controversy still exists. |
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In another method, developed in the United States in the 1880s, iron and carbon were melted together directly to produce crucible steel. |
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With their fine bindings, steel engravings, and handsomely printed pages, the annuals were products of good bookmanship. |
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Some uses of tool steel were displaced, first by high speed steel and later by materials such as tungsten carbide. |
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Another form of crucible steel was developed in 1837 by the Russian engineer, Pavel Anosov. |
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Cast iron is a hard brittle material that is difficult to work, whereas steel is malleable, relatively easily formed and a versatile material. |
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The body is constructed of welded steel panels, with the bonnet, doors and boot lid in aluminium on steel frames. |
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The cementation process is an obsolete technology for making steel by carburization of iron. |
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A clause in the patent prohibiting the import of steel was found to be undesirable because he could not supply as much good steel as was needed. |
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The bars were then shortened, bound, heated and forge welded together to become shear steel. |
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It would be cut and re welded multiple times, with each new weld producing a more homogeneous, higher quality steel. |
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The introduction of the steam engine and the increasing importance of iron and steel changed the global industrial landscape. |
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The puddling furnace was initially a means of producing wrought iron, but was later applied to steel production. |
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Secondary steelmaking involves refining of the crude steel before casting and the various operations are normally carried out in ladles. |
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Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into steel. |
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Mass production benefited from the development of materials such as inexpensive steel, high strength steel and plastics. |
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Machining of metals was greatly enhanced with high speed steel and later very hard materials such as tungsten carbide for cutting edges. |
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Electric arc furnace steelmaking is the manufacture of steel from scrap or direct reduced iron melted by electric arcs. |
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The early ships were built of wood but in the 19th century there was a move towards building ships of iron then steel. |
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Middlesbrough firm Dorman Long put that steel to good use building bridges across the world. |
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Until relatively recently, structural steel connections were either welded or riveted. |
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The reason for the change is primarily due to the expense of skilled workers required to install high strength structural steel rivets. |
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The last commonly used high strength structural steel rivets were designated ASTM A502 Grade 1 rivets. |
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Unlike the alternative sodium chloride, it does not corrode the stainless steel vessels used in dyeing. |
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The HIsarna steelmaking process is a process for primary steelmaking in which iron ore is processed almost directly into steel. |
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Upon obtaining a duplicate, the mattress was found to consist of a sort of net of woven steel wires, with large meshes. |
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Finally came iron and steel, which was a special case because it was a manufacturing industry. |
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Instead it was the Conservatives who decried the inefficiency and mismanagement, and promised to reverse the takeover of steel and trucking. |
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Materials that are less commonly ground are aluminum, stainless steel, brass, and plastics. |
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These all tend to clog the cutting wheel more than steel and cast iron, but with special techniques it is possible to grind them. |
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Grinding wheels may also be made from a solid steel or aluminium disc with particles bonded to the surface. |
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Typical workpiece materials include aluminum, brass, plastics, cast iron, mild steel, and stainless steel. |
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Cast Iron and mild steel have very good characteristics for cylindrical grinding. |
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His painterly but abstracted figures typically appear isolated in glass or steel geometrical cages set against flat, nondescript backgrounds. |
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Alexander Calder and other modernists made spectacular use of painted steel. |
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Copper and copper-clad steel resist corrosion indefinitely in soil that is relatively free from ammonia. |
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Through solid steel cubes the human form is rendered into an array of different postures and poses, boldly standing in a white gallery space. |
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Since 1995, he has worked with the highly reflective surface of polished stainless steel. |
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A steel wire mesh pulled taut between two enormous steel hoops, it remains an ethereal and an uncertain form despite its colossal scale. |
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The tool to do this is a nail set, which is essentially a pointy steel rod. |
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They call out 304 stainless steel in the drawing, but the part was made from aluminum. |
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This is likely to cease altogether in the next few years as the older generation die off and steel blades and chainsaws prevail. |
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Careful control of the alloying and tempering eventually allowed for wrought iron with properties comparable to modern steel. |
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They are generally about 10 percent denser than steel, although alloys using aluminium or silicon may be slightly less dense. |
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The territory was formerly the site of steel production, but now it hosts a technical museum with many interactive expositions for tourists. |
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Bronze is used to make bronze wool for woodworking applications where steel wool would discolour oak. |
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The foundry at Barberton is also equipped to dip calorize steel plates and castings. |
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Instead, mild steel is produced from a bessemer converter or by other means including smelting reduction processes such as the Corex Process. |
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Toward the end of the 19th century steel production largely replaced iron production. |
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A plough may be made of wood, iron, or steel frame with an attached blade or stick used to cut the earth. |
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The Labour government nationalised major public utilities such as mines, gas, coal, electricity, rail, iron, steel and the Bank of England. |
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Stainless steel or galvanized steel is used where resistance to corrosion is important. |
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Zinc is more reactive than iron or steel and thus will attract almost all local oxidation until it completely corrodes away. |
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The Crawshays refused to modernise by replacing iron production with steel production, using the newly discovered Bessemer process. |
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Robert was reluctant to switch to the production of steel, but in 1875 the works was forced to close. |
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Traditionally, pig iron was worked into wrought iron in finery forges, later puddling furnaces, and more recently into steel. |
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In late 1940, Morrison shelters were introduced, which were not much more than a steel table to hide under inside the house. |
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The landside is usually made of solid medium carbon steel, and is very short except on the rear bottom of the plow. |
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It may be made of cast iron for cast iron ploughs or it may be welded steel for steel ploughs. |
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Frank Gehry's detailed, stainless steel band shell, the Jay Pritzker Pavilion, hosts the classical Grant Park Music Festival concert series. |
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However, the majority of polecat deaths caused by humans have been accidental, having mostly been caused by steel traps set for rabbits. |
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Both the coal and steel industries were increasingly dominated by large amalgamations, such as Powell Duffryn and Guest, Keen and Nettlefolds. |
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The man who, cased in steel, had passed whole days and nights in the saddle. |
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He keeps his feed in steel drums to prevent the mice from chewing holes in the feed-sacks. |
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The pit props and steel bands are not for show, but to hold up the mine roof. |
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The iron and steel industries occupied important roles in the development of the city, both before and after federation. |
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The steel hulls of ice-breakers are much thicker than those of standard vessels. |
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The Centre's main feature, the bronze coloured dome which covers the Donald Gordon Theatre, is clad in steel that was treated with copper oxide. |
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We all know that steel making has been important to south Wales, just as slate making has changed the landscape of the north. |
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He had a steel plate put in his shoulder after the accident. |
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After a rapid decline in the town's steel industry, shipbuilding quickly became Barrow's largest and most important industry. |
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Titanium can be stronger than steel, lighter, and is not ferromagnetic, important for stealth. |
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Titanium does not flex as readily as steel, and may become brittle during many dive cycles. |
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The metal can completely jacketed must have iron, steel or wooden jacket completely covering the can, except the mouth. |
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A steel armature supports the skeleton, which is accompanied by sculpted flukes. |
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To prevent this and the possibility of scandal a grated steel door with jail lock should be placed on this doorway. |
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After being inspected for external contamination, the steel cylinder is stored, usually in an underground repository. |
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In 1915, the company ventured into steel manufacturing, with its operations based primarily in Newcastle, New South Wales. |
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In 2002, the 'flat products' steel business was spun off to form BHP Steel. |
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High temperatures require expensive alloys made from nickel or cobalt, rather than inexpensive steel. |
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They use steel monopole foundations driven in by a hydraulic hammer and each turbine has a landing platform for boat access. |
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The EEC and America jaw-jawed their way to the brink of an all-out war over limiting European steel exports to the United States. |
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Afterwards, the United States embargoed iron, steel and mechanical parts against Japan. |
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Sweden also supplied steel and machined parts to Germany throughout the war. |
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Some industries, such as semiconductor and steel manufacturers use the term fabrication instead. |
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The first ever steel rails were laid in 1857 in Derby railway station for the Midland Railway. |
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It was the first practical testing of the new steel battleships, cruisers, destroyers, submarines, and torpedo boats. |
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Natural gas is also used in the manufacture of fabrics, glass, steel, plastics, paint, and other products. |
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The solution was that the steel tubular legs of the platforms would be extended. |
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Oil pipelines are made from steel or plastic tubes which are usually buried. |
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Yet the caracole had struggled against cold steel throughout the 16th century and had come off the victor. |
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In the early 1930s the Texas Company developed the first mobile steel barges for drilling in the brackish coastal areas of the Gulf of Mexico. |
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In the early 1930s, the Texas Company developed the first mobile steel barges for drilling in the brackish coastal areas of the gulf. |
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Steel jackets are structural sections made of tubular steel members, and are usually piled into the seabed. |
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A GBS can either be steel or concrete and is usually anchored directly onto the seabed. |
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The metallurgist Eric Colbeck, when working at Hadfields Limited in Sheffield, invented boron steel for control rods for nuclear reactors. |
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Sheffield is known for its steel industry, which has declined in recent years. |
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Thrybergh Mill is east of the river off the A630, making steel bar, in a rolling mill. |
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If a submarine's steel hull touched the copper wire, the slight voltage change caused by contact between two dissimilar metals was amplified. |
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A steel cable connecting the mine to an anchor on the seabed prevents it from drifting away. |
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This comprises two moored, floating contact mines which are tethered together by a length of steel cable or chain. |
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When the target ship hits the steel cable, the mines on either side are drawn down the side of the ship's hull, exploding on contact. |
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These ships have hulls of glass fibre or wood instead of steel to avoid magnetic signatures. |
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It was built on land previously occupied by steel mills near what is now Meadowhall and the Sheffield Arena. |
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A Eurotunnel Shuttle is on average 775 metres in length and is made from constructive stainless steel. |
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The hulls were generally wooden, although iron, steel and composite hulls gradually overtook them. |
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Pliny gives a special place to iron, distinguishing the hardness of steel from what is now called wrought iron, a softer grade. |
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A disadvantage is that metals commonly found in industries such as steel and copper are oxidized faster by untreated water and steam. |
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Major innovations during the period occurred in the chemical, electrical, petroleum, and steel industries. |
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Electricity, steel, and petroleum enabled Germany to become a great international power that raced to create empires of its own. |
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Orion Security Print, north of Stanton steel works in Ilkeston, produces Odeon cinema tickets and library cards. |
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Hex nut is made of carbon steel or Monel, while parts coming in contact with corrodents are made of metals suited to the particular applications. |
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The technology required to make tempered steel chisels was largely forgotten during the Middle Ages. |
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In the 19th century, Sheffield gained an international reputation for steel production. |
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To address these concerns it was suggested that the hull should be placed on top of a supporting steel cradle underwater. |
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Rudi Jass has developed a distinctly complementary style with copper, corten steel bronze, glass and stone. |
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The value of the scrap lead and steel was well in excess of the costs of recovery. |
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This film was part of a loop of films that was shown at the East Carlton Park steel heritage centre in Northamptonshire for many years. |
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Caulking is also the term to describe the process used to make riveted iron or steel ships and boilers watertight or steamtight. |
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A trampoline is a device consisting of a piece of taut, strong fabric stretched over a steel frame using many coiled springs. |
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The frame of a competitive trampoline is made of steel and can be made to fold up for transportation to competition venues. |
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For maximum corrosion resistance, the company builds its doors, hoods and decklids of galvanized steel. |
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This device utilizes a number of specially designed stainless steel plates with small spaces between them. |
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Increased automation and competition from abroad resulted in the closure of many steel mills. |
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The noise and dust from the steel works created substantial disamenity for the nearby retirement home. |
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Spatula applicators, with a flexible stainless steel blade, are used to apply filler. |
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Stainless steel screws may be used for attaching fittings to the hull above the water line. |
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The nearest head of steel is located on the East Somerset Railway at Mendip Vale. |
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The mould is typically constructed from aluminum or steel, but composite molds are sometimes used. |
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Tooling materials include invar, steel, aluminium, reinforced silicone rubber, nickel, and carbon fibre. |
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This toughness is the result of a uniquely fine grain size imparted by vanadium to steel, anodium steels are readily cast, forged, and rolled. |
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Breweries today are made predominantly of stainless steel, although vessels often have a decorative copper cladding for a nostalgic look. |
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In 1920, GKN purchased steel company John Lysaght and their subsidiary, Joseph Sankey and Sons Ltd. |
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Quality steel hooks began to make their appearance in Europe in the 17th century and hook making became a task for specialists. |
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Studies show manufacturing wood uses less energy and results in less air and water pollution than steel and concrete. |
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A pioneer motorist, he became personal friends with Herbert Austin, resultantly becoming a supplier of sheet steel components to the industry. |
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ArcelorMittal, the world's largest steel producer with headquarters in Luxembourg City, is still a reminder of these times. |
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The industrial sector, which was dominated by steel until the 1960s, has since diversified to include chemicals, rubber, and other products. |
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The production of iron or steel is a process consisting of two main stages. |
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During the past decades, growth in the financial sector has more than compensated for the decline in steel production. |
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By 1914, the company's customers for sheet steel bodies included Austin, Daimler, Humber, Rover, Star and Argyll. |
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The city was also affected by a severe financial crisis and a steady decline in textiles, automobile and steel production. |
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Before, he had always seemed to believe revenge a dirty business, all thundering muskets and brandished steel, a pleasuresome stench. |
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The postwar government nationalised the steel industry under Iron and Steel Corporation of Great Britain. |
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The anticrisis measures in the form of the trigger prices were only one element of the government's program for steel. |
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A Spanish sword made of steel was considered the pinnacle of craftsmanship and a well trained swordsman could be a dominant foe. |
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When they took control of a territory, the conquistadors usually banned possession of steel swords by their subjects. |
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The high heat and humidity of Central and South America could make heavy iron armour and steel items mostly impractical. |
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They are also described as transporting oils, incense, steel weapons, furs, and slaves. |
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The jukebox belted out tunes from the fifties, and waiters shouted food orders to the cooks behind the enormous steel counter. |
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This can be created by aligning an iron or steel rod with Earth's magnetic field and then tempering or striking it. |
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At sea, a ship's compass must also be corrected for errors, called deviation, caused by iron and steel in its structure and equipment. |
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At the Wharf of Gamboa, leaseholders operate terminals for sugar, paper, iron and steel products. |
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The Incas had no iron or steel and their weapons were not much more effective than those of their opponents. |
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Production of cement, iron ore, and steel occurs commonly throughout Paraguay's industrial sector. |
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Then he created a modified dueling tree, featuring six steel targets that swung from one side of a central column to the other when shot. |
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Others had set up machine guns at each corner of the commons with bands of ammunition feeding out of steel boxes into the guns. |
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Originally, the Cuatro consisted of four steel strings, hence its name, but currently the Cuatro consists of five double steel strings. |
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The basic Mesoamerican diet of maize and beans continued, although agricultural output was improved by the introduction of steel tools. |
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Yorkshire supplied 500 bows, and 580 garbs of arrows, 360 of which had iron heads pointed with steel. |
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Most recreational mail today is made of butted links which are galvanized or stainless steel. |
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This is transported up an apron chain consisting of steel links several feet wide, which separates some of the dirt. |
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Hawaii also made a major contribution to country music with the introduction of the steel guitar. |
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Activists soften the steel, and then I can bend it into pretty grillwork and make reforms. |
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The 1920s saw some vehicles fitted with automatic couplings and steel bodies. |
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Lighter steel is used on less expensive models, and heavier steel on more expensive models for durability. |
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Wootz steel originated in south India in the 3rd century BCE and was exported to foreign countries. |
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Low priced mowers use older technology, smaller motors, and lighter steel decks. |
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During this period, a high quality steel called Wootz steel was developed in south India and was later exported to China and Arabia. |
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Why should anyone imagine that bewigged judges in The Hague will succeed where cold steel has failed? |
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It meant obtaining scarce steel, cement and timber when the Treasury were trying to maximise exports and minimise imports. |
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Further refinement with oxygen reduces the carbon content to the correct proportion to make steel. |
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Its overlapping steel plates and the empty hawseholes, from which the anchors will soon be suspended, are visible. |
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In the late 1850s, Henry Bessemer invented a new steelmaking process, involving blowing air through molten pig iron, to produce mild steel. |
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In the Industrial Revolution, new methods of producing bar iron without charcoal were devised and these were later applied to produce steel. |
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This is a diffusion process in which wrought iron is packed in crucibles or a hearth with charcoal, then heated to promote diffusion of carbon into the iron to produce steel. |
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It never fully caught up with the times and with other steel making areas. |
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An aerodrome, chiefly of steel, weighing, apart from fuel and water, about twenty-four pounds, was launched on the Potomac River on May 6, 1896, and flew for over half a mile. |
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