The causes of noise pollution
usually caused by transportation. Because the motorcycle, the tricycle, cars, trucks and airplanes, more and more
.The second to factories. Sound is caused by the working of machines of different sizes, and a voice from household
caused by tools, home appliances,
.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)