User talk:73.241.120.217

June 2020
Hello, I'm Doug Weller. I wanted to let you know that one or more of your recent contributions to List of Chinese inventions 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. Thanks. Doug Weller talk 13:41, 8 June 2020 (UTC)
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