 |
| life length: 30 phrases in 12 subjects |
| Accounting | 1 |
| Astronautics | 1 |
| Automobiles | 3 |
| Business | 1 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| Economy | 9 |
| Finances | 1 |
| Firefighting and fire-control systems | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Technology | 2 |
|
| life length: 30 phrases in 12 subjects |
| Accounting | 1 |
| Astronautics | 1 |
| Automobiles | 3 |
| Business | 1 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| Economy | 9 |
| Finances | 1 |
| Firefighting and fire-control systems | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Technology | 2 |