 |
| |||
| opencast mining (Natalya Rovina); open-pit mining (Natalya Rovina) | |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
|
| |||
| opencast mining (Natalya Rovina); open-pit mining (Natalya Rovina) | |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
