 |
| парафинистая нефть: 10 phrases in 8 subjects |
| Chemistry | 3 |
| Geology | 1 |
| Mechanic engineering | 1 |
| Mining | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Road works | 1 |
|
| парафинистая нефть: 10 phrases in 8 subjects |
| Chemistry | 3 |
| Geology | 1 |
| Mechanic engineering | 1 |
| Mining | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Road works | 1 |