Lithographic press:
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Stamping press
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Automatic folder
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Electric industrial motor
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Air compressor turn on, turn off
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Fluid drilling, Brewing unit
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Letter press
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Jamming, start, work, Generator
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Stitching machine
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Welding transformer operation under load
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Forklift in motion
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Print imprinted in cardboard, Notches
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Grind metal on a grinding machine in a
★★★★★