User talk:168.213.5.220

November 2021
Hello, I'm DigitalChutney. I wanted to let you know that one or more of your recent contributions&#32;to Conservation of mass 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. DigitalChutney (talk) 16:46, 19 November 2021 (UTC)

March 2022
Hello, I'm Severestorm28. I noticed that you added or changed content in an article, Rod Wave, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Severe storm  28  20:07, 23 March 2022 (UTC)