User talk:Yong Hwayoung

August 2020
Hello, I'm Materialscientist. An edit you recently made to Ji Min-hyuk seemed to be a test and has been removed. If you want more practice editing, the sandbox is the best place to do so. 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) 10:40, 6 August 2020 (UTC)