Power station generator:
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Automatic folder
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Canning machine
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Electric industrial motor
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Turning on, Welding transformer, working,
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Welding, hammer knocking, Car factory
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Automatic telephone switch
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Mill for grinding grain, Brewing unit
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Grind metal on a grinding machine in a
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Glass bottles on a conveyor line, room noise
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Fluid drilling, Brewing unit
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Spinning machine
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Oil pump
★★★★★