User talk:Newlan212121

Please do not add or change content without verifying it by citing reliable sources. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Materialscientist (talk) 09:45, 10 October 2012 (UTC)

Please stop adding unsourced content. This contravenes Wikipedia's policy on verifiability. If you continue to do so, you may be blocked from editing Wikipedia. Materialscientist (talk) 07:40, 12 October 2012 (UTC)