Electric generator (hum):
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Fluid drilling, Brewing unit
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General noise, Factory work
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Conveyor, conveyor belt
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Dry cleaning
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Power Plant Water Pumps
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Car factory
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Hydraulic activator
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Mill for grinding grain, Brewing unit
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Welding transformer, turning on, working,
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Notches, print imprinted in cardboard
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Hydraulic pump
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Air blow, Air compressor
★★★★★