 |
| |||
| disposition des coups de mine; disposition des trous de mine (в комплекте) | |||
| disposition des fourneaux; emplacement des trous | |||
| расположение шпуров: 6 phrases in 2 subjects |
| Mining | 3 |
| Technology | 3 |
|
| |||
| disposition des coups de mine; disposition des trous de mine (в комплекте) | |||
| disposition des fourneaux; emplacement des trous | |||
| расположение шпуров: 6 phrases in 2 subjects |
| Mining | 3 |
| Technology | 3 |