User talk:143.167.254.166

November 2019
Hello, I'm Aranya. An edit that you recently made to Ion-exchange resin seemed to be a test and has been removed. If you want to 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! – Aranya (talk) 13:17, 21 November 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

May 2024
Hello, I'm Joyous!. I wanted to let you know that one or more of your recent contributions&#32;to Plus–minus sign have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse or the Help desk. Thanks. Joyous! Noise! 17:59, 13 May 2024 (UTC)

Please stop. If you continue to vandalize Wikipedia, as you did at University of Sheffield, you may be blocked from editing. Joyous! Noise! 18:01, 13 May 2024 (UTC)