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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0:09
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Hand milling machine whirring (8).
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0:15
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Hand milling machine whirring (7).
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0:09
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Hand milling machine whirring (6).
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0:08
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Hand milling machine whirring (5).
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0:03
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Hand milling machine whirring (4).
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0:05
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Hand milling machine whirring (3).
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0:04
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Hand milling machine whirring (2).
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0:09
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Hand milling machine whirring (1).
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0:03
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Grinding tool whirring (5).
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0:14
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Grinding tool whirring (4).
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0:22
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Grinding tool whirring (3).
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0:04
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Grinding tool whirring (2).
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0:11
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Grinding tool whirring (1).
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0:04
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Grinding machine starting and stopping.
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