User talk:Selvam.sp

December 2013
Hello, I'm Materialscientist. I wanted to let you know that I undid one or more of your recent contributions to Convection cell because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Materialscientist (talk) 06:02, 30 December 2013 (UTC)

Please do not add promotional material to Wikipedia. While objective prose about beliefs, products or services is acceptable, Wikipedia is not intended to be a vehicle for soapboxing, advertising or promotion. Thank you. Materialscientist (talk) 06:04, 30 December 2013 (UTC)