Grind wood with a grinder, noise in production:
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Welding, Car factory, hammer knocking
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Spectrograph
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Welding transformer operation under load
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Bottling plant
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Air blow, Air compressor
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Signal for lunch at the factory
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Factory atmosphere, drone in a mine tunnel
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Dry cleaning
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Vibrosieve at the factory
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Compressor industry
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Turn off, Air compressor turn on
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Robotic assembly line
★★★★★