Noise pollution A condition that is causing a noise disturbance. May come from various noise sources. Both from humans, animals or machines if more than 85 decibels will harm hearing if more than 90 decibels will greatly harm the ear. So do not go near the area where the noise will get over this. The source of the noise outside world, mainly from the construction and transport systems, noise from vehicles, automotive, aircraft and rail [1] [2] or even the urban poor may cause pollution. Sounds like And the industrial side. As well as the building housing it could cause noise pollution in residential areas as well as noise pollution, both indoors and outdoors for many species, such as audio alarms from cars, sirens, emergency signals, mechanical devices. , flares, horn, compressed air, drilling machines, a dog barking, electronics, display, lighting, sound, audio entertainment system, electric megaphone and shouts of men.
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