 |
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| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
|
minerit de suprafata : 1 phrases, 1 sujets |
| Exploitation minière | 1 |
|
| |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
|
minerit de suprafata : 1 phrases, 1 sujets |
| Exploitation minière | 1 |