User talk:139.5.242.163

December 2022
Hello, I'm Blue Edits. I wanted to let you know that one or more of your recent contributions&#32;to Snell's law 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. Blue Edits (talk) 13:45, 15 December 2022 (UTC)