User talk:Sah6b679

February 2020
Hello, I'm Trooper1005. An edit that you recently made to Rail_transport seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! -&#61;Troop&#61;- (talk) 21:34, 26 February 2020 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Water frame. 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. Materialscientist (talk) 13:03, 27 February 2020 (UTC)