User talk:47.155.13.2

July 2021
Hello, I'm Rdp060707. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Induced pluripotent stem cell—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. Rdp060707&#124;talk 07:56, 31 July 2021 (UTC)

September 2021
Hello, I'm CodeTalker. An edit that you recently made to Yin and yang seemed to be a test and has been reverted. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! CodeTalker (talk) 00:47, 3 September 2021 (UTC)