Electric welding:
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Print imprinted in cardboard, Notches
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Fluid drilling, Brewing unit
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Lathe turning on, work, stop
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Vibrosieve at the factory
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Forklift in motion
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Electric industrial motor
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Canning machine
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Automatic telephone switch
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Forklift raises, lowers forks
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Off, on, Forklift, standby
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Electric welding
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Power station turbine
★★★★★