0:08
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An air drill working, constant whine
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0:20
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Domestic kitchen fan exhaust, very close
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Checking tire pressure with tire gauge
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0:17
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Cell phone vibrates on a hard surface
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keyboard, single push of enter button
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Drill on wood, resulting in a motor noise
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Typewriter handle pushed to start a new line, metallic click
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0:47
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Regular chugging and ticking of machine with operator coughing at intervals
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0:49
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Strong air conditioning ventilation unit
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0:10
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Screech of elevator servo as elevator comes to a stop
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