Newspaper press:
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Work in a warehouse, loaders, general noise
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Crusher
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Robotic assembly line
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Forklift in motion
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Automatic telephone switch
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Low frequency running engine
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Turning on, Welding transformer, working,
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Letter press
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Forklift approaching
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Air compressor turn on, turn off
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Gas welding
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Generator, start, jamming, work
★★★★★