Power station generator:
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Electric generator (hum)
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Stitching machine
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Jamming, Generator, start, work
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Air blow, Air compressor
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Crusher
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Printing press
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Electric industrial motor
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Grind metal on a grinding machine in a
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Bottling plant
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Glass bottles on a conveyor line, room noise
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Brewing unit, mill for grinding grain
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Signal for lunch at the factory
★★★★★