Conveyor, conveyor belt:
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Lathe turning on, stop, work
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The atmosphere of the factory, rattling
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Bottling plant
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Circular knitting machine
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Room noise, Glass bottles on a conveyor line
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Hydraulic activator
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Breakdown press
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Electric generator (hum)
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Forklift truck moving away
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Steam pump
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General noise, loaders, Work in a warehouse
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Air compressor turn on, turn off
★★★★★