User talk:119.94.98.219

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) 09:50, 29 August 2020 (UTC)

Please stop your disruptive editing. If you continue to add unsourced or poorly sourced content, you may be blocked from editing. Materialscientist (talk) 10:48, 29 August 2020 (UTC)