 |
| |||
| пустая порода | |||
| non-minerai: 9 phrases in 5 subjects |
| Geology | 3 |
| Metallurgy | 3 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| пустая порода | |||
| non-minerai: 9 phrases in 5 subjects |
| Geology | 3 |
| Metallurgy | 3 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |