Electric welding:
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Spinning machine
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Power Plant Water Pumps
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Noise in, Grind wood with a grinder
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Power station turbine
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Drone in a mine tunnel, Factory atmosphere
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Bottling plant
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Hydraulic activator
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Box making machine
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Factory Atmosphere
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Electric industrial motor
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Print imprinted in cardboard, Notches
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Air compressor turn on, turn off
★★★★★