Automatic telephone switch:
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Turn off, Air compressor turn on
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Glass bottles on a conveyor line, room noise
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Noise in, Grind wood with a grinder
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Machine engine gaining momentum
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Drone in a mine tunnel, Factory atmosphere
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Bottling plant
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Signal for lunch at the factory
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Factory work, general noise
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Hydraulic activator
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Crusher
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Hydraulic machine up
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Industrial exhaust fan
★★★★★