Industrial exhaust fan:
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Gas welding
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Letter press
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Low frequency running engine
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Compressor, start, run, shutdown
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Standby, off, Forklift, on
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Car factory
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Circular knitting machine
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Forklift truck moving away
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Factory Atmosphere
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Mill for grinding grain, Brewing unit
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Robotic assembly line
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Factory atmosphere, drone in a mine tunnel
★★★★★