User talk:86.21.130.221

January 2020
Hello, I'm Perokema. I wanted to let you know that one or more of your recent contributions to Electronic circuit have been undone because they 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. Perokema (talk) 16:59, 29 January 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 refrain from making unconstructive edits to Wikipedia. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. — Preceding unsigned comment added by PraiseVivec (talk • contribs) 17:03, 29 January 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 stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Electromagnet‎, you may be blocked from editing. - DVdm (talk) 18:33, 2 February 2020 (UTC)

April 2020
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Present perfect—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) 09:01, 16 April 2020 (UTC)