 |
| |||
| air velocity | |||
| vitesse d 'air: 6 phrases in 4 subjects |
| Aviation | 1 |
| Construction | 3 |
| Mechanic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| air velocity | |||
| vitesse d 'air: 6 phrases in 4 subjects |
| Aviation | 1 |
| Construction | 3 |
| Mechanic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |