User talk:2600:100A:B01A:8384:ACBB:C19D:EC8D:FD61

November 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. Materialscientist (talk) 15:58, 20 November 2020 (UTC)