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| главный трубопровод: 42 phrases in 16 subjects |
| Armored vehicles | 1 |
| Astronautics | 1 |
| Construction | 2 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 9 |
| Hydrology | 1 |
| Logistics | 1 |
| Military | 2 |
| Nautical | 8 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
| Shipbuilding | 1 |
| Technology | 5 |