User talk:128.69.252.150

March 2022
Hello, I'm Mkcaldwell. I wanted to let you know that one or more of your recent contributions&#32;to International Union of Pure and Applied Chemistry 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. Thanks. Mkcaldwell (talk) 17:12, 1 March 2022 (UTC)