User talk:76.66.154.28

March 2010
Welcome and thank you for experimenting with Wikipedia. Your test worked, and it has been reverted or removed. Please take a look at the welcome page to learn more about contributing to this encyclopedia. If you would like to experiment further, please use the sandbox instead. Thank you. SpitfireTally-ho! 18:30, 27 March 2010 (UTC)

June 2014
Hello, I'm Vzaak. I wanted to let you know that I undid one or more of your recent contributions to Gas exchange 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. Thanks! vzaak 23:33, 12 June 2014 (UTC)