 |
| sound reduction: 12 phrases in 8 subjects |
| Acoustics | 1 |
| Construction | 4 |
| Electronics | 1 |
| General | 1 |
| Metrology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Technology | 2 |
|
| sound reduction: 12 phrases in 8 subjects |
| Acoustics | 1 |
| Construction | 4 |
| Electronics | 1 |
| General | 1 |
| Metrology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Technology | 2 |