User talk:128.250.0.173

April 2017
Hello, I'm Dhrm77. An edit that you recently made to Copolymer seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Dhrm77 (talk) 19:51, 11 April 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

October 2019
Please do not add or change content without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you.  Acroterion   (talk)   02:42, 28 October 2019 (UTC)