the causes of pollution
sound sound too loud, it is necessary to cause adversely affect health of the workers come from many sources such as the salient (Siriraj Hospital, a blessing for the Indus. 2534: 222 - 223.)
1.The public transport is used cars, trucks and motorcycles - a motor tricycle airplane add more volume to increase as well. It may be seen as follows: employing
a motor tricycle motorcycle (tuk tuk), a sound level 35 dB
Car Audio level 60 - 25 dB
truck volume is 95 - 120 dB
trains ran 100 feet away with a sound level 60 dB
plane noise level 100 - 140 dB
Provide work in the Board of Directors National environment is determined by the noise level in a residential area in the day time and night time is not more than 60 dB and 55 dB respectively equation for volume.The result of the engine or any part of the car is not usually a motorcycle in good condition more than 95 decibels when measured sound level meter with audio at a distance 7.5 meters around
2.As a result of the industrial sound of machinery, which contribute to an audio level varies from 60 dB to 120 dB, but it's a powerful machinery, materials used in the lid or the ceiling factory3. From a household audio equipment from the home such as the hay the vacuum cleaner Floor Polishers radio and television, audio level 60 - 70 dB
4.The noise caused by other advertising, the thunder and lightning audio quarrel.
sound effects of pollution.procedures of the World Health Organization for safe volume levels are not exceeded 85 decibels when you touch each day 8 hours danger from pollution of the sound experience, if multiple hours per day is a long time.1.to my mind
-cause visibly annoyed dance, J a nervous
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cause change of the emotional-cause the mad free
concentration 2. results to the body
- made my heart beat, breathing rate changes
- contribute to an acid in the stomach is a disease more than normal wound in the stomach and the stomach disease
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act, high blood pressure and muscle twitching, a panted and lose
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can't sleep, working- Cochlear implant degradation may be disabled hard of hearing deaf ear to
3. effect on the performance of the work, working down the coordination slow hunting some time. There was an error, or it may be made to work, in an accident.
4.Effect on the communication noise than normal may interfere with the signal, and to the communication of an order, which may cause an accident.
5.damage to the sound object such as a high level of sound from a plane faster than sound, the Vibration is also sometimes the pressure, the air pressure up between 1 - 10 pounds per foot rails.such as may be determined by expensive walls, ceilings and glass window flicker page. will be
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