User talk:81.101.12.221

January 2021
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Surdo—because it 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 Help desk. Thanks. Materialscientist (talk) 14:43, 10 January 2021 (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 2021
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Oxygen compounds have been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 16:05, 26 May 2021 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Oxygen compounds was changed by 81.101.12.221 (u) (t) ANN scored at 0.94282 on 2021-05-26T16:05:50+00:00