Laser welding:
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Loaders, Work in a warehouse, general noise
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Grind metal on a grinding machine in a
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Small centrifuge
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Hammer knocking, Car factory, welding
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Breakdown press
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Stop, Lathe turning on, work
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Oil pump
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Air blow, Air compressor
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Signal for lunch at the factory
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Forklift truck moving away
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Electric generator (hum)
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Glass bottles on a conveyor line, room noise
★★★★★