User talk:168.8.211.151

January 2021
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Ray (optics) have been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 18:10, 25 January 2021 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Ray (optics) was changed by 168.8.211.151 (u) (t) ANN scored at 0.854423 on 2021-01-25T18:10:23+00:00