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2017-07-20, 18:45
Here's a tip: Indented cement shows unique properties
Three key molecular mechanisms control the mechanics of layered crystals such as tobermorite, a natural crystal used by the Romans to make concrete.
https://www.sciencedaily.com/releases/20...173712.htm
Three key molecular mechanisms control the mechanics of layered crystals such as tobermorite, a natural crystal used by the Romans to make concrete.
https://www.sciencedaily.com/releases/20...173712.htm