 |
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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 | |||
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minerit de suprafata : 1 a las frases, 1 temas |
| Minería | 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 a las frases, 1 temas |
| Minería | 1 |