Heidelberian sorting printer:
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Work, Lathe turning on, stop
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Air blow, Air compressor
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Noise in, Grind wood with a grinder
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General noise, Factory work
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Working machine engine
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Drone in a mine tunnel, Factory atmosphere
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Machine engine gaining momentum
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Mechanical lift
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Run, start, Compressor, shutdown
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Factory Atmosphere
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Circular knitting machine
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Steam pump
★★★★★