Welding transformer, turning on, working, turning off:
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Grind metal on a grinding machine in a
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Letter press
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Lathe turning on, stop, work
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Turn off, Air compressor turn on
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Small centrifuge
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Stitching machine
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Robotic assembly line
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Conveyor belt, Conveyor
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Factory work, general noise
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Drone in a mine tunnel, Factory atmosphere
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Working,, turning on, Welding transformer
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Steam pump
★★★★★