User talk:190.71.22.218

February 2023
Hello, I'm Yoshi24517. I wanted to let you know that one or more of your recent contributions&#32;to Systems engineering 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 Teahouse or the Help desk. Thanks. Yoshi24517 Chat   Online  19:35, 6 February 2023 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Systems engineering. 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. Bar Harel (talk) 19:37, 6 February 2023 (UTC)