Lathe turning on, work, stop:
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Spinning machine
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Electric welding
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Laser welding
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Power Plant Water Pumps
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Electric industrial motor
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Forklift, off, on, standby
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Signal for lunch at the factory
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Turning on, Welding transformer, working,
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Breakdown press
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Shutdown, start, Compressor, run
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Industrial exhaust fan
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Machine engine gaining momentum
★★★★★