 |
| |||
| mélange d'air et de gaz | |||
| mélange gaz-air | |||
| air-gas mixture: 8 phrases in 6 subjects |
| Chemistry | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| General | 2 |
| Mechanic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| mélange d'air et de gaz | |||
| mélange gaz-air | |||
| air-gas mixture: 8 phrases in 6 subjects |
| Chemistry | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| General | 2 |
| Mechanic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |