 |
| |||
| open-cast mine | |||
| |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
| minas a ceu aberto: 5 do fraz, 2 tematyki |
| Inżynieria mechaniczna | 1 |
| Węgiel | 4 |
|
| |||
| open-cast mine | |||
| |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
| minas a ceu aberto: 5 do fraz, 2 tematyki |
| Inżynieria mechaniczna | 1 |
| Węgiel | 4 |