 |
| pumping mains: 51 phrases in 18 subjects |
| Armored vehicles | 3 |
| Construction | 1 |
| Electrical engineering | 1 |
| Energy industry | 7 |
| Facilities | 1 |
| General | 3 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Molikpaq | 1 |
| Nautical | 3 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 1 |
| Oils and lubricants | 3 |
| Sakhalin | 2 |
| Technology | 18 |