 |
| |||
| Kaminabluft f; Schornsteinabluft f | |||
| stack air: 8 phrases in 6 subjects |
| Chemistry | 1 |
| General | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 3 |
| Technology | 1 |
|
| |||
| Kaminabluft f; Schornsteinabluft f | |||
| stack air: 8 phrases in 6 subjects |
| Chemistry | 1 |
| General | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 3 |
| Technology | 1 |