User talk:188.49.77.143

November 2023
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to S-400 missile system—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 Teahouse or the Help desk. Thanks. Materialscientist (talk) 08:44, 29 November 2023 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to S-400 missile system. Your edits appear to be vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Materialscientist (talk) 08:49, 29 November 2023 (UTC)