|
life length : 31 phrases in 13 subjects |
| Accounting | 1 |
| Astronautics | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Business | 1 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| Economics | 9 |
| Finances | 1 |
| Firefighting and fire-control systems | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Technology | 2 |