User talk:195.194.244.21

October 2017
Hello, I'm Widr. I wanted to let you know that one or more of your recent contributions to Bastard Operator From Hell have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Widr (talk) 17:38, 2 October 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

Recent edit to Leonardo S.p.A.
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Leonardo S.p.A., but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Materialscientist (talk) 00:32, 6 October 2018 (UTC)