User talk:163.153.50.2

October 2021
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Marine engineering—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) 16:16, 14 October 2021 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Marine 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.  GILO  A& E&uArr;  16:17, 14 October 2021 (UTC)

Notification: Blocked
 You have been blocked from editing for a period of 31 hours for Vandalism. Once the block has expired, you are welcome to make useful contributions. If you think there are good reasons why you should be unblocked, you may request an unblock by first reading the guide to appealing blocks, then adding  below. Materialscientist (talk) 16:19, 14 October 2021 (UTC)