 |
| |||
| winningsmethode; afbouwmethode f; ontginningsmethode f | |||
|
system of working : 6 a las frases, 2 temas |
| Carbón | 2 |
| General | 4 |
|
| |||
| winningsmethode; afbouwmethode f; ontginningsmethode f | |||
|
system of working : 6 a las frases, 2 temas |
| Carbón | 2 |
| General | 4 |