|
rock types : 22 phrases in 11 subjects |
| Aviation | 1 |
| Construction | 1 |
| Drilling | 2 |
| Geology | 4 |
| Gold mining | 4 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oilfields | 2 |
| Petrography | 1 |
| Technology | 2 |
|
rock types : 22 phrases in 11 subjects |
| Aviation | 1 |
| Construction | 1 |
| Drilling | 2 |
| Geology | 4 |
| Gold mining | 4 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oilfields | 2 |
| Petrography | 1 |
| Technology | 2 |