User talk:2600:100B:B125:74CF:3CA2:C466:472E:B1B1

September 2019
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Doctor Light (Arthur Light) 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) 15:34, 3 September 2019 (UTC)
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