User talk:Tech Joe

Welcome!

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Welcome to Wikipedia. Everyone is welcome to contribute to the encyclopedia, but when you add or change content, as you did to the article Magnesium oxide wallboard, please cite a reliable source for the content of your edit. This helps maintain our policy of verifiability. See Citing sources for how to cite sources, and the welcome page to learn more about contributing to this encyclopedia. Thank you. Materialscientist (talk) 12:24, 30 May 2011 (UTC)