Laser welding:
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Gas welding
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Lathe turning on, stop, work
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Stitching machine
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Signal for lunch at the factory
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Grind wood with a grinder, noise in
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Forklift drives by
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Automatic telephone switch
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Rattling, The atmosphere of the factory
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Welding, Car factory, hammer knocking
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Canning machine
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Notches, print imprinted in cardboard
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Car factory
★★★★★