 |
| engine speed: 226 phrases in 28 subjects |
| Aerohydrodynamics | 1 |
| Aeronautics | 3 |
| Armored vehicles | 13 |
| Astronautics | 8 |
| Automobiles | 19 |
| Aviation | 15 |
| Chemistry | 1 |
| Combustion gas turbines | 2 |
| Construction | 1 |
| Dentistry | 1 |
| Drilling | 1 |
| General | 4 |
| Makarov | 3 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Military | 4 |
| Molikpaq | 4 |
| Nautical | 12 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Rail transport | 4 |
| Robotics | 1 |
| Shipbuilding | 1 |
| Solar power | 1 |
| Technology | 112 |
| Thermal engineering | 2 |
| Transport | 7 |