1. Common noises in life include traffic noise, industrial noise, construction noise and living noise. Specifically: noise generated by vehicles such as automobiles and ships, noise generated by various machinery and equipment, noise generated by pile drivers and bulldozers, and noise generated by public entertainment places and shopping malls. The specific classification is as follows:

2. Traffic noise. The noise of cars, trains, planes, ships and other means of transportation, the number of vehicles has increased, and traffic noise pollution has become increasingly serious.

3, 2, industrial noise. All kinds of machinery and equipment and industrial noise in factories are the chief culprits of occupational deafness.

4, 3, construction noise, building concrete mixer, pile driver, bulldozer, drilling rig, pneumatic tools, etc. Make a lot of noise.

5, 4, life noise. Noise from public places of entertainment, shopping malls and markets, as well as people's noise and family noise, are all called life noise.

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