Laser welding:
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Power station generator
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Stitching machine
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Postal sorting line
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Signal for lunch at the factory
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Automatic telephone switch
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Automatic folder
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Vibrosieve at the factory
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Work in a warehouse, general noise, loaders
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Compressor, shutdown, start, run
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Spinning machine
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Rattling, The atmosphere of the factory
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Air blow, Air compressor
★★★★★