 |
| |||
| Untertageanlage f | |||
| underground plant: 9 phrases in 5 subjects |
| Construction | 2 |
| General | 2 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 3 |
|
| |||
| Untertageanlage f | |||
| underground plant: 9 phrases in 5 subjects |
| Construction | 2 |
| General | 2 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 3 |