Brewing unit, fluid drilling:
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Compressor, shutdown, run, start
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Machine engine gaining momentum
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Welding transformer operation under load
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Automatic telephone switch
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Milling machine
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Lithographic press
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Postal sorting line
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Mill for grinding grain, Brewing unit
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Circular knitting machine
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Hydraulic pump
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Box making machine
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Standby, off, Forklift, on
★★★★★