 |
| steam engine: 66 phrases in 16 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Construction | 1 |
| General | 10 |
| Hovercraft | 1 |
| Makarov | 4 |
| Mathematics | 1 |
| Mechanic engineering | 19 |
| Military | 1 |
| Nautical | 8 |
| Rail transport | 5 |
| Shipbuilding | 2 |
| Technology | 6 |
| Thermal engineering | 2 |
| Torpedoes | 1 |
| Transport | 2 |