 |
| système de contrôle: 141 phrases in 31 subjects |
| Astronautics | 28 |
| Automated equipment | 7 |
| Automobiles | 1 |
| Aviation | 31 |
| Biotechnology | 2 |
| Chemistry | 3 |
| Computers | 2 |
| Food industry | 3 |
| Formal | 2 |
| General | 6 |
| Industry | 1 |
| Information technology | 5 |
| Law | 2 |
| Mechanic engineering | 5 |
| Medical | 1 |
| Medical appliances | 2 |
| Metallurgy | 1 |
| Microsoft | 2 |
| Military | 7 |
| Natural resourses and wildlife conservation | 10 |
| Nuclear physics | 4 |
| Oil and gas technology | 1 |
| Politics | 1 |
| Production | 1 |
| Quality control and standards | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 2 |
| Trucks/Lorries | 1 |
| United Nations | 6 |
| Welding | 1 |