 |
| |||
| noise reduction | |||
| soundproofing Reducing or eliminating reverberation in a room by placing sound-absorbing materials on the walls and ceiling; sound insulation | |||
| ääneneristys: 3 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 1 |
| Health care | 1 |
|
| |||
| noise reduction | |||
| soundproofing Reducing or eliminating reverberation in a room by placing sound-absorbing materials on the walls and ceiling; sound insulation | |||
| ääneneristys: 3 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 1 |
| Health care | 1 |