 |
| |||
| eaux de mine | |||
| shaft waters: 5 phrases in 4 subjects |
| Construction | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| eaux de mine | |||
| shaft waters: 5 phrases in 4 subjects |
| Construction | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |