Thread: Shavingcrete
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Old 12-12-2017, 02:43 PM   #19 (permalink)
freebeard
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Quote:
Would a school district likely have one?
Back in the 1950s they would. Today it's probably all laptops.

https://en.wikipedia.org/wiki/Autocl...rated_concrete

^^Aluminum flakes make hydrogen bubbles.
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