Gas welding:
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Automatic telephone switch
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Off, on, standby, Forklift
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Industrial exhaust fan
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Factory Atmosphere
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Electric welding
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Power station generator
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Conveyor, conveyor belt
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Mechanical lift
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Forklift raises, lowers forks
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Mill for grinding grain, Brewing unit
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Turn off, Air compressor turn on
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Electric generator (hum)
★★★★★