 |
| |||
| working face; breakage front; breakage face; stope; front face | |||
| coal face; coal head; coal wall; coalface | |||
|
Abbaufront : 6 do fraz, 2 tematyki |
| Górnictwo | 5 |
| Węgiel | 1 |
|
| |||
| working face; breakage front; breakage face; stope; front face | |||
| coal face; coal head; coal wall; coalface | |||
|
Abbaufront : 6 do fraz, 2 tematyki |
| Górnictwo | 5 |
| Węgiel | 1 |