Dry cleaning:
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Air blow, Air compressor
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Electric welding
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Forklift truck moving away
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Factory atmosphere, drone in a mine tunnel
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Canning machine
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Automatic telephone switch
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Spinning machine
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On, Forklift, standby, off
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Box making machine
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Turning on, working,, Welding transformer
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Oil pump
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Work in a warehouse, loaders, general noise
★★★★★