 |
| |||
| Altbausanierung f | |||
| area rehabilitation: 8 phrases in 5 subjects |
| Coal | 1 |
| Economy | 2 |
| Materials science | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| Altbausanierung f | |||
| area rehabilitation: 8 phrases in 5 subjects |
| Coal | 1 |
| Economy | 2 |
| Materials science | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 2 |