Vuvuzela and police whistling noise of loudspeakers and people
snore
you are forbidden to make a noise
You should be asking how, but to answer YOUR question... Because people made them to.
the noise made by a rook is a caw by raehan
Some people believed that the noise of his inventiion made a curse.
noise pollution
The noise made by a group of people clapping it mean that hitting their hands together.
The noise abatement law made life a lot better for people in the crowded neighborhood.
noise
All noise is made of various types of sound waves.
Noise pollution is noise that is so excessive that it disturbs the balance of human or animal life.