Hydraulic machine up:
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Electric industrial motor
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Glass bottles on a conveyor line, room noise
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Printing press
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Car factory, hammer knocking, welding
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Air blow, Air compressor
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Newspaper press
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Forklift in motion
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The atmosphere of the factory, rattling
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Standby, off, Forklift, on
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Book press
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Small centrifuge
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Lathe turning on, work, stop
★★★★★