Air compressor, air blow:
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Postal sorting line
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Glass bottles on a conveyor line, room noise
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Automatic telephone switch
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Stamping press
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Mill for grinding grain, Brewing unit
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General noise, Work in a warehouse, loaders
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Letter press
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Bottling plant
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Power station turbine
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Robotic assembly line
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Working machine engine
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Air compressor turn on, turn off
★★★★★