 |
| waste oil: 54 phrases in 17 subjects |
| Caspian | 1 |
| Drilling | 3 |
| Ecology | 2 |
| General | 6 |
| Industry | 1 |
| Makarov | 3 |
| Mechanic engineering | 2 |
| Molikpaq | 1 |
| Natural resourses and wildlife conservation | 12 |
| Nautical | 4 |
| Oil and gas | 2 |
| Oil processing plants | 2 |
| Oilfields | 2 |
| Sakhalin | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| Transport | 7 |