 |
| |||
| à ciel ouvert; au jour | |||
| im Tagebau: 12 phrases in 5 subjects |
| Coal | 4 |
| Construction | 1 |
| Metallurgy | 3 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| à ciel ouvert; au jour | |||
| im Tagebau: 12 phrases in 5 subjects |
| Coal | 4 |
| Construction | 1 |
| Metallurgy | 3 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 1 |