Causes of noise pollutionLouder than necessary to cause deterioration of health come from a variety of sources including important (Siri prote. Result: 223-222 2534 (1991) sindhu.)1. transport The motorcycle is used. Tricycle, car, truck and more planes to more volume as well, might recognize, see this.Motorcycle. A tricycle (tu ") sound level 35 DB.Car audio levels 60-25 DBTruck volume 95-120 DBThe train ran just 100 feet of 60-decibel sound level.Air volume 100-140 DBOffice of the national environmental Committee has set up a volume in a residential neighborhood at night and day does not exceed 60 DB and 55 DB, respectively. For the volume of traffic by an announcement over the Kingdom caused the engine or any part of a car wash in normal conditions up to 95 DB. When the sound level meter with the sound level meter in the 7.5-metre distance around.2. industrial noise is caused by the operation of the machines of sizes that make it. B. the volume varies from 60 DB to 120 DB, but the size and strength of the machine. The materials used for interior wall or ceiling of a factory, as well as the environment of the plant.3. from households is sound caused by tools, home appliances, such as vacuum lawn mower. Scrubber driers radio and TV cause a volume of approximately 60-70 DB.4. noise caused by other causes, such as lightning and Thunder audio ad quarrel.The effects of noise pollutionThe definition of the World Health Organization For the safe volume is less than 85 DB. 8 hours per day exposed to hazards caused by pollution of the sound. If, over a period of several hours per day exposed for a long period, it will cause a dangerous enough to be classified as follows:1. the effect on the mind.-Causing symptoms of irritation, nuisance. Nervous tension-Cause emotional changes.-Causing waste to frantic Klum meditation2. effect on the body.-Make the heart beat, breathing rate pressure changes.-Stomach acid can also cause disease more commonly wound in the stomach and stomach disease. Food-Causes high blood pressure-Make muscles spasm symptoms occurred after a gasp for breath and lost.-Cause insomnia-Make the nerve degeneration can cause ear deaf ears deaf hard of hearing.3. impact on work performance of work reduced to coordination to sometimes delayed work error free or you may cause an accident.4. the impact of communication noise than usual can interfere with the communication. Reception and receiving commands may cause accidents.5. damage to objects. High level sound like sound from the plane type faster than sound causes vibration, there are also times when the pressure causes the air pressure to rise between 1-10 pounds per square feet of Rails makes it possible for some types of buildings or objects such as walls. Wall and roof shake window glass window has been destroyed.
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