Glass bottles on a conveyor line, room noise:
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Fluid drilling, Brewing unit
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Rattling, The atmosphere of the factory
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Air compressor, air blow
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Air compressor turn on, turn off
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Stop, work, Lathe turning on
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Turning on, Welding transformer, working,
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Conveyor belt, Conveyor
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Letter press
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Breakdown press
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Oil pump
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On, Forklift, standby, off
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Power Plant Water Pumps
★★★★★