User talk:Bljd369

Hello, I'm Materialscientist. I noticed that you made a change to an article, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 09:57, 27 January 2015 (UTC)

Please do not remove content or templates from pages on Wikipedia without giving a valid reason for the removal in the edit summary. Your content removal does not appear constructive and has been reverted. Please make use of the sandbox if you'd like to experiment with test edits. Thank you. Materialscientist (talk) 10:02, 27 January 2015 (UTC)