| An elderly woman with grey hair in a bun reads a missal on the District line, which runs under Westminster. |
| A line making equal angles with the edges of a trihedron is called an isoclinal line of the trihedron. |
| Darwin's third line of evidence came from biogeography, the study of the geographic distribution of plants and animals. |
| The menu is trilingual with Belgian at the top, French underneath and English on the last line. |
| Particular combinations in threes of the unbroken yang line and the broken yin line form symbolic trigrams that have particular meanings. |
| Earlier today, headteachers warned they would take a tough line on pupils who missed school to attend the demonstration. |
