User talk:Unclejj agbaji

September 2019
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Air traffic control 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. Materialscientist (talk) 14:13, 30 September 2019 (UTC)

Please stop making test edits to Wikipedia. It is considered vandalism, which, under Wikipedia policy, can lead to being blocked from editing. If you would like to experiment again, please use the sandbox. Materialscientist (talk) 14:15, 30 September 2019 (UTC)