At present, our world, our life has a lot of pollution, regardless of whether it is a natural pollution, but what we didn't see, or recognize there is a disturbing sound pollution คน้ราไม่ lost. Not a spore to get loud, interfering with the nerve of our ears. Where to get a loud sound for long periods of time can also cause harmful to human hearing is affected by many.Sound pollution that happens to many people caused by that noise than necessary until he was addressing a people's health deterioration, such as noise from transport noise from machinery, industrial. Sounds from household tools khueang affected by noise pollution has 3 characteristics: 1. deaf now. Caused in the areas where noise exceeded the 120-decibel. 2. ears temporarily. Due to the address where there is noise from the 80 decibel-more designers in no time. 3 ears permanently. Arising from that are in very loud for a long time.By short people we often have problems with hearing that exceeds the level of need that interferes with daily life, we cannot continue living as usual, interferes with sleep, cause there is no motivation to do so. We should choose to get heard about enough not too loud or Wen Yong Li to escape the noise if it is not necessary to good health of human beings;
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