User talk:202.80.213.13

May 2020
Hello, I'm Materialscientist. I noticed that in this edit to Ha Sung-woon, you removed content without adequately explaining why. In the future, it would be helpful to others if you described your changes to Wikipedia with an edit summary. If this was a mistake, don't worry, the removed content has been restored. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 09:00, 24 May 2020 (UTC)
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