User talk:Jbl55774

December 2020
Hello, I'm Flalf. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Night-vision device—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. Flalf Talk 20:41, 7 December 2020 (UTC)

Notification: Blocked
 You have been blocked indefinitely from editing for Vandalism. 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 this notice. Materialscientist (talk) 20:41, 7 December 2020 (UTC)