Generator, start, work, jamming:
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Hammer knocking, welding, Car factory
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Room noise, Glass bottles on a conveyor line
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Power station turbine
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Automatic folder
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Book press
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Brewing unit, mill for grinding grain
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Electric industrial motor
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Stamping press
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Print imprinted in cardboard, Notches
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Heidelberian sorting printer
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Canning machine
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Electric generator (hum)
★★★★★