User talk:RAPNOW1

July 2020
Hello, I'm Materialscientist. I noticed that you added or changed content in an article, 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 the tutorial on citing sources. If you think I made a mistake, you can leave me a message on my talk page. Thank you.

Please note that Wikipedia articles (especially articles from other Wikis) may not be used as references on this site. Materialscientist (talk) 14:39, 10 July 2020 (UTC)