User talk:143.167.254.166

November 2019[edit]

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)[reply]

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May 2024[edit]

Hello, I'm Joyous!. I wanted to let you know that one or more of your recent contributions 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)[reply]

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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)[reply]

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