 |
| air tube: 60 phrases in 23 subjects |
| Aerohydrodynamics | 1 |
| Armored vehicles | 1 |
| Automated equipment | 1 |
| Automobiles | 3 |
| Aviation | 3 |
| Construction | 3 |
| Drilling | 1 |
| Electronics | 1 |
| Energy industry | 2 |
| General | 2 |
| Military | 3 |
| Missiles | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 2 |
| Navigation | 1 |
| Nuclear physics | 1 |
| Polygraphy | 1 |
| Rail transport | 1 |
| Refrigeration | 3 |
| Sports | 1 |
| Technology | 18 |
| Transport | 3 |
| Радиоактивное излучение | 6 |