Heidelberian sorting printer:
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Electric generator (hum)
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Forklift truck moving away
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Working machine engine
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Laser welding
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Grind metal on a grinding machine in a
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Power station generator
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Vibrosieve at the factory
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General noise, Factory work
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Welding transformer operation under load
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Forklift, on, off, standby
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Stitching machine
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Newspaper press
★★★★★