 |
| |||
| sound intensity | |||
| niveau du son: 6 phrases in 4 subjects |
| Acoustics | 2 |
| Construction | 2 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| sound intensity | |||
| niveau du son: 6 phrases in 4 subjects |
| Acoustics | 2 |
| Construction | 2 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 1 |