0:07
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Manual air pump pumping by hand.
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0:22
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Designed weapon source recording - hollow air pump tapping.
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0:03
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High pressure air release, smooth and wavering.
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0:02
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High pressure air release, floppy.
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0:01
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High pressure air release, quick and shrill.
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0:02
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High pressure air release, quick spurts followed by moderate release.
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0:02
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High pressure air release, quick spurts followed by long release.
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0:01
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High pressure air release, quick spurts.
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0:02
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High pressure air release, wavering.
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0:01
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High pressure air release spurt.
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0:12
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Squeaky air pump pumping (3).
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0:14
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Squeaky air pump pumping (2).
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0:07
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Squeaky air pump pumping (1).
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0:11
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Balloon being blown up (4).
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0:10
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Balloon being blown up (3).
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0:23
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Balloon being blown up (2).
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0:10
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Balloon being blown up (1).
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0:18
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Bike pump pumping slowly with resistance.
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0:14
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Bike pump pumping side to side, slowly (2).
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0:12
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Bike pump pumping side to side, slowly (1).
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