User talk:86.131.210.240

May 2020
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Ballpoint pen—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Materialscientist (talk) 09:59, 18 May 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

Please do not remove content or templates from pages on Wikipedia, as you did with this edit to Ballpoint pen, without giving a valid reason for the removal in the edit summary. Your content removal does not appear constructive and has been reverted. Please make use of the sandbox if you'd like to experiment with test edits. Thank you. Materialscientist (talk) 10:00, 18 May 2020 (UTC)