Automatic telephone switch:
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Forklift approaching
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Electric industrial motor
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Brewing unit, fluid drilling
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Forklift raises, lowers forks
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Factory work, general noise
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Shutdown, Compressor, run, start
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Air compressor turn on, turn off
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Forklift drives by
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Low frequency running engine
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Bottling plant
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Machine engine gaining momentum
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Heidelberian sorting printer
★★★★★