User talk:Bansuriy2k00

Hello, I'm Materialscientist. I noticed that you recently made an edit to Refraction that seemed to be a test. Your test worked! If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 10:30, 23 October 2012 (UTC)