 |
|
engine on : 106 phrases in 20 subjects |
| Air defense | 6 |
| Apollo-Soyuz | 12 |
| Armored vehicles | 2 |
| Astronautics | 7 |
| Automobiles | 4 |
| Aviation | 10 |
| Ecology | 2 |
| Electrical engineering | 1 |
| General | 9 |
| Makarov | 14 |
| Mechanic engineering | 1 |
| Military | 2 |
| Nautical | 2 |
| Non-destructive testing | 1 |
| Occupational health & safety | 1 |
| Space | 14 |
| Technology | 12 |
| Tengiz | 1 |
| Transport | 4 |
| Travel | 1 |