User talk:GregorRoe1512

May 2014
Hello, I'm IronGargoyle. I wanted to let you know that I undid one of your recent contributions, such as the one you made with this edit to Solvent extraction and electrowinning, because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. IronGargoyle (talk) 16:37, 7 May 2014 (UTC)