Brewing unit, mill for grinding grain:
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Compressor industry
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Circular knitting machine
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Signal for lunch at the factory
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Glass bottles on a conveyor line, room noise
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Work, stop, Lathe turning on
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Printing press
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Brewing unit, mill for grinding grain
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Welding transformer operation under load
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Forklift truck moving away
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Factory work, general noise
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Hydraulic activator
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Spectrograph
★★★★★