Box making machine:
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Factory Atmosphere
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Start, jamming, Generator, work
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Grind metal on a grinding machine in a
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Electric generator (hum)
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Power Plant Water Pumps
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Postal sorting line
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Fluid drilling, Brewing unit
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Welding transformer, turning on, working,
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Forklift truck moving away
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Printing press
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Newspaper press
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Laser welding
★★★★★