Notches, print imprinted in cardboard:
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Heidelberian sorting printer
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Forklift, on, off, standby
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Dry cleaning
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Bottling plant
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Small centrifuge
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Signal for lunch at the factory
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Power Plant Water Pumps
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Electric generator (hum)
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Shutdown, run, start, Compressor
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Vibrosieve at the factory
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Power station generator
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Factory atmosphere, drone in a mine tunnel
★★★★★