Car factory, welding, hammer knocking:
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Hammer knocking, welding, Car factory
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Generator, start, jamming, work
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Grind wood with a grinder, noise in
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Small centrifuge
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Canning machine
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Working machine engine
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Robotic assembly line
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Print imprinted in cardboard, Notches
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Standby, on, off, Forklift
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Drone in a mine tunnel, Factory atmosphere
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Postal sorting line
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Automatic folder
★★★★★