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Twin engine : 101 phrase in 20 subjects |
| Air defense | 3 |
| Armored vehicles | 6 |
| Astronautics | 2 |
| Automobiles | 11 |
| Aviation | 21 |
| Construction | 2 |
| Energy industry | 1 |
| Engines | 3 |
| General | 1 |
| Makarov | 1 |
| Mathematics | 1 |
| Mechanic engineering | 5 |
| Military | 7 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Soviet | 1 |
| Space | 16 |
| Technology | 12 |
| Transport | 3 |