 |
| |||
| coulée à découvert; mine à ciel ouvert; travail à ciel ouvert | |||
| exploitation à ciel ouvert | |||
|
open cast : 19 phrases in 9 subjects |
| Coal | 1 |
| Construction | 3 |
| Economics | 1 |
| General | 5 |
| Geology | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Mining | 3 |
| Technology | 1 |
|
| |||
| coulée à découvert; mine à ciel ouvert; travail à ciel ouvert | |||
| exploitation à ciel ouvert | |||
|
open cast : 19 phrases in 9 subjects |
| Coal | 1 |
| Construction | 3 |
| Economics | 1 |
| General | 5 |
| Geology | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Mining | 3 |
| Technology | 1 |