Postal sorting line:
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Car factory
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Hydraulic machine up
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Grind metal on a grinding machine in a
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Conveyor belt, Conveyor
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Air compressor, air blow
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Lathe turning on, work, stop
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Air compressor turn on, turn off
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Robotic assembly line
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Power station turbine
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Noise in, Grind wood with a grinder
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Working,, Welding transformer, turning on
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Automatic folder
★★★★★