User talk:161.53.180.21

November 2020
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Agenda 21—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) 08:57, 24 November 2020 (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.

March 2022
Hello, I'm Svartava. I wanted to let you know that one or more of your recent contributions 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. —Svārtava (t/u) • 17:11, 30 March 2022 (UTC)

January 2023
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to List of Romani people—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 Teahouse or the Help desk. Thanks. Materialscientist (talk) 08:27, 31 January 2023 (UTC)