Grind metal on a grinding machine in a factory:
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Breakdown press
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Conveyor, conveyor belt
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Room noise, Glass bottles on a conveyor line
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Dry cleaning
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Spinning machine
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Turn off, Air compressor turn on
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The atmosphere of the factory, rattling
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Brewing unit, mill for grinding grain
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Welding transformer, working,, turning on
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Air blow, Air compressor
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Industrial exhaust fan
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Electric welding
★★★★★