 |
| |||
| oil field; oilfield | |||
| oil yard | |||
| field; oil-bearing field | |||
| oil spill (water surface, e.g. ship casualty); spill (water surface, e.g. ship casualty); spillage (water surface, e.g. ship casualty) | |||
| oil pool | |||
| |||
| oil field | |||
| Ölfeld: 7 phrases in 2 subjects |
| Mining | 2 |
| Natural resourses and wildlife conservation | 5 |