User talk:81.99.138.129

April 2021
Hello, I'm Daniuu. An edit you recently made to Moment (physics) seemed to be a test and has been removed. If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Daniuu (talk) 17:11, 14 April 2021 (UTC)