 |
| |||
| protection against noise; acoustic insulation; sound insulation | |||
| acoustic attenuation; attenuation; sound attenuation | |||
| sidewall treatment | |||
| insonorização: 17 phrases in 7 subjects |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electricity generation | 1 |
| Environment | 3 |
| General | 1 |
| Mechanic engineering | 4 |
| Transport | 6 |