 |
| |||
| méthode à ciel ouvert | |||
| открытый способ разработки: 14 phrases in 4 subjects |
| Geology | 1 |
| Mining | 7 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 5 |
|
| |||
| méthode à ciel ouvert | |||
| открытый способ разработки: 14 phrases in 4 subjects |
| Geology | 1 |
| Mining | 7 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 5 |