Luftstrom : 21 phrases in 13 subjects |
Agriculture | 2 |
Chemistry | 2 |
Coal | 1 |
Construction | 1 |
Environment | 1 |
Mechanic engineering | 1 |
Medical | 2 |
Metallurgy | 3 |
Municipal planning | 1 |
Natural resourses and wildlife conservation | 2 |
Paragliding | 1 |
Technology | 2 |
Transport | 2 |