 |
| air -feed: 51 phrases in 24 subjects |
| Aerohydrodynamics | 2 |
| Automated equipment | 2 |
| Automobiles | 4 |
| Aviation | 2 |
| Geology | 2 |
| Law | 1 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Military | 2 |
| Mining | 5 |
| Missiles | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 2 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Polygraphy | 1 |
| Production | 1 |
| Public utilities | 2 |
| Rail transport | 1 |
| Technology | 8 |
| Transport | 2 |
| Weapons of mass destruction | 2 |
| Wood processing | 1 |