0:19
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Door knock - sliding kitchen pocket door.
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0:21
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Sliding kitchen pocket door - hit with open palm, soft knock.
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0:35
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Steel aircraft hangar door - knocking and rattling, sparse to dense.
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0:03
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Metal roll-up door - knock and rattle. (14)
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0:05
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Metal roll-up door - knock and rattle. (13)
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0:06
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Metal roll-up door - knock and rattle. (12)
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0:02
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Metal roll-up door - knock and rattle. (10)
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0:03
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Metal roll-up door - knock and rattle. (9)
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0:03
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Metal roll-up door - knock and rattle. (8)
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0:02
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Metal roll-up door - knock and rattle. (7)
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0:07
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Metal roll-up door - knock and rattle. (6)
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0:02
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Metal roll-up door - knock and rattle. (5)
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0:02
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Metal roll-up door - knock and rattle. (4)
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0:03
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Metal roll-up door - knock and rattle. (3)
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0:03
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Metal roll-up door - knock and rattle. (2)
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0:02
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Metal roll-up door - knock and rattle. (1)
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0:39
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Knocking on heavy metal door - reverberant space.
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0:01
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Ice skates - knocking against each other. (45)
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0:01
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Ice skates - knocking against each other. (44)
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0:01
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Ice skates - knocking against each other. (43)
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