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Two jackhammers with different pitch drilling concrete on the street in New York City, close perspective
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0:40
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Ambience of heavy machinery in operation
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0:22
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Sawing with a saw, pitch rises
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0:34
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Bicycle pump pumping up tyre various speeds
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0:03
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Closing a CD tray
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Hammering a nail, medium distant
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0:14
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Maniacal laughter from laughing bag toy
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0:08
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Extractor fan switched to a lower speed setting
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0:06
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Photocopy machine start up
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Picking up gas pump handle
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