“Production expertise has been a mainstay of the company's success for most of its 70-year history.”

“He a long and distinguished career at Columbia Law School, during which time he was the mainstay of that institution.”

“Phosphates, potash, and agricultural produce are the mainstay of the economy.”

“It was a horrible lesson too to them, because it was afterwards found that he had taken up a bottle of whisky to drink at the maintop.”

“I did as directed, the hands who had been aloft meeting me in the maintop on their way down.”

“Her husband was captain of the maintop, and as gallant and fine a seaman as ever stepped.”

“Its gun-ports were visible even at this distance, and a flag, unidentifiable, waved defiantly atop the mainmast.”

“Dolphin pulled past them and assaulted the outside schooner, her guns taking out the mainmast.”

“Her mainmast is 29 metres high, and she has a permanent crew of 16, assisted by 36 voyage crew and various supernumeraries.”

“The new park will require the closure of a commercial fishery that is one of the poor nation's economic mainstays.”

“Such characters emerged in late eighteenth-century plays and sheet music, and became mainstays of nineteenth-century minstrelsy.”

“I just prefer an environment where they are not such cultural mainstays that they eclipse other artists I care to hear.”

“The foremasts carried square-rigged sails, while the mainmasts carried a fore-and-aft-rigged mainsail and square-rigged top sail.”

“It was square-rigged on its foremasts and mainmasts, but used a lateen sail on the mizzen to help in tacking.”