User talk:192.145.174.147

September 2021
Hello, I'm Serols. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Block (periodic table)—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. Serols (talk) 11:11, 26 September 2021 (UTC)

October 2021
Please do not add or change content, as you did at Statistics, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Uranium Site (talk) 09:15, 24 October 2021 (UTC)