User talk:Ernesto 52918

Hello, I'm Materialscientist. Your recent edit to the page cement appears to have added incorrect information, so I have removed it for now. If you believe the information was correct, please cite a reliable source or discuss your change on the article's talk page. 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) 02:11, 14 May 2015 (UTC)