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noise pollution is defined as unwanted sounds that disrupt normal sound in the environment. noise pollution often emanates from railroads, road traffic, aircraft, loud music, construction sites, and industrial activities. nevertheless, the definition of noise is subjective as it varies from one individual
these equipment include thrashers, tube wells, tractors, drillers, powered tillers, and harvesters. military equipment. artillery tanks, rocket launching, military airplanes drills, explosions, and shooting practice are serious noise polluters. deafening impacts are produced by the sounds of jet engines...
https://www.conserve-energy-future.com/sources-prevention-noise-pollution.php
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