Taxpayers pay for walls on California freeways.
Hard reflexions from walls reflect the sound and add it to the direct sound. That gives amplification of the total sound.
i think when air foll on the wall at night then sound is comming from walls because at night any were so silant there fore the sound is comming from walls i think when air foll on the wall at night then sound is comming from walls because at night any were so silant there fore the sound is comming from walls
a is the vowel
Yes, there are freeways in Mexico. See related links for some examples.
Erm, if you have a vagina you have vaginal walls. The walls are the inside of the vagina (the walls of the tunnel, if that doesn't sound too gross).
The vibrations in the air (sound) get absorbed by the walls.
No!
yes
Walkers owns walls ice-cream and they mix the flavours to make the crisps
Some possible options for sound insulation between walls are the use of the following sound proof materials; sound insulation wall layer, curtain walling, the soni protector sound proofing panels, foam and sound proof rubber.
Rough surface of walls absorb sound easily and prevent the echo.