Car factory:
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Laser welding
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Automatic telephone switch
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Vibrosieve at the factory
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Forklift truck moving away
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Conveyor, conveyor belt
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Gas welding
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Grind metal on a grinding machine in a
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Small centrifuge
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Car factory, hammer knocking, welding
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Factory work, general noise
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Electric generator (hum)
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Machine engine gaining momentum
★★★★★