| |||
| Umlaufluft f | |||
| Umluft f | |||
|
Recirculated air : 11 phrases in 6 subjects |
| Agriculture | 1 |
| Air conditioners | 1 |
| Chemistry | 1 |
| Construction | 2 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 5 |
| |||
| Umlaufluft f | |||
| Umluft f | |||
|
Recirculated air : 11 phrases in 6 subjects |
| Agriculture | 1 |
| Air conditioners | 1 |
| Chemistry | 1 |
| Construction | 2 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 5 |