 |
| асфальтовая нефть: 41 phrases in 14 subjects |
| Cement | 4 |
| Chemistry | 1 |
| Drilling | 1 |
| Firefighting and fire-control systems | 1 |
| Forestry | 1 |
| Gas processing plants | 1 |
| General | 1 |
| Geology | 4 |
| Makarov | 1 |
| Mining | 4 |
| Oil / petroleum | 12 |
| Oil and gas | 3 |
| Oil and gas technology | 3 |
| Technology | 4 |