Postal sorting line:
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Welding, Car factory, hammer knocking
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Breakdown press
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Turn off, Air compressor turn on
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The atmosphere of the factory, rattling
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Book press
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Power Plant Water Pumps
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Automatic folder
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Work, Generator, start, jamming
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Grind metal on a grinding machine in a
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Conveyor belt, Conveyor
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Steam pump
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Hydraulic down machine
★★★★★