User talk:104.136.143.28

October 2021
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Security clearance—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) 19:14, 28 October 2021 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Security clearance. 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. Cahk (talk) 22:37, 30 October 2021 (UTC)