The causes of noise pollution
sound than necessary to cause adverse effects on the health of people from various sources, many important. :
1.Transportation. The use of motorcycle, tricycle, cars, trucks and airplanes, increase, make the volume is increasing as well.
2.Factories. Sound is caused by the operation of machinery of various sizes, which makes the volume is different from 60 dB until 120 decibels. Depending on the magnitude of machinery. The material used to make the wall or ceiling factory.3. From household sound caused by tools, home appliances, such as cutting machine view trade sucker of dust scrubber radio And TV cause volume about 60 - 70 dB
4.The noise resulting from other causes, including advertising, thunder and lightning, and the quarrel, brawl.
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