User talk:Djdega

Hello, I'm Materialscientist. I wanted to let you know that I undid one or more of your recent contributions because they appeared to be promotional. Advertising and using Wikipedia as a "soapbox" are against Wikipedia policy and not permitted. Take a look at the welcome page to learn more about Wikipedia. Thank you. Materialscientist (talk) 07:32, 9 February 2015 (UTC)