 |
| |||
| advancing face | |||
| advancing mining | |||
| gob-road system | |||
|
exploitation chassante : 7 צירופים, 2 נושאים |
| מֵטַלוּרגִיָה | 6 |
| פֶּחָם | 1 |
|
| |||
| advancing face | |||
| advancing mining | |||
| gob-road system | |||
|
exploitation chassante : 7 צירופים, 2 נושאים |
| מֵטַלוּרגִיָה | 6 |
| פֶּחָם | 1 |