 |
| |||
| GS (ground support Madi Azimuratov) | |||
| breasting; face supports; face timber; face timbering | |||
| крепление забоя: 10 do fraz, 2 tematyki |
| Górnictwo | 9 |
| Technika i technologia | 1 |
|
| |||
| GS (ground support Madi Azimuratov) | |||
| breasting; face supports; face timber; face timbering | |||
| крепление забоя: 10 do fraz, 2 tematyki |
| Górnictwo | 9 |
| Technika i technologia | 1 |