User talk:Harryking177

Warnings
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September 2010
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to Mass–energy equivalence, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you. — MC10 ( T • C • GB •L)  01:56, 13 September 2010 (UTC)