User talk:31.223.139.131

Hello, I'm Materialscientist. I wanted to let you know that one or more external links you added have been removed because they seemed to be inappropriate for an encyclopedia. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page, or take a look at our guidelines about links. Thank you. Materialscientist (talk) 15:28, 8 January 2021 (UTC)