 |
| used oil: 48 phrases in 16 subjects |
| Armored vehicles | 2 |
| Automobiles | 1 |
| Energy industry | 1 |
| General | 3 |
| Makarov | 3 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Oil processing plants | 2 |
| Sakhalin | 1 |
| Sakhalin S | 1 |
| Technology | 7 |
| Transport | 17 |