| |||
| mijnbouw f; mijnexploitatie f | |||
| |||
| ertswinning f | |||
|
exploitation des mines : 6 phrases in 3 subjects |
| Coal | 1 |
| Environment | 4 |
| General | 1 |
| |||
| mijnbouw f; mijnexploitatie f | |||
| |||
| ertswinning f | |||
|
exploitation des mines : 6 phrases in 3 subjects |
| Coal | 1 |
| Environment | 4 |
| General | 1 |