Postal sorting line:
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Lithographic press
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Loaders, Work in a warehouse, general noise
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Work, stop, Lathe turning on
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Compressor industry
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Low frequency running engine
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Mechanical lift
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Milling machine
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Machine engine gaining momentum
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Book press
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Grind metal on a grinding machine in a
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Print imprinted in cardboard, Notches
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Forklift approaching
★★★★★