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A teacher or student writing on a chalk board.
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0:11
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Chalk scrapes on blackboard
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0:18
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Writing on a chalkboard. Vintage recording.
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0:13
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Erasing on a chalkboard, fast, stereo image. Vintage recording.
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Writing on blackboard with chalk in a quick and rushed fashion.
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0:10
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Somebody using chalk on a blackboard in a hard manner with distant traffic sounds.
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