twin engines: 72 phrases in 16 subjects |
Armored vehicles | 6 |
Astronautics | 2 |
Automobiles | 8 |
Aviation | 17 |
Construction | 2 |
Engines | 3 |
General | 1 |
Makarov | 1 |
Mathematics | 1 |
Mechanic engineering | 5 |
Military | 7 |
Nautical | 2 |
Oil / petroleum | 2 |
Rail transport | 1 |
Technology | 11 |
Transport | 3 |