User talk:1.9.178.20

February 2024
Hello, I'm Waxworker. I noticed that you added or changed content in an article, Jun Liu, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Waxworker (talk) 05:48, 8 February 2024 (UTC)

Please do not add or change content, as you did at Jun Liu, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Waxworker (talk) 14:13, 8 February 2024 (UTC)

Please do not add unsourced or original content. Doing so violates Wikipedia's verifiability policy. If you continue to do so, you will be blocked from editing Wikipedia. Materialscientist (talk) 02:03, 9 February 2024 (UTC)

You may be blocked from editing without further warning the next time you add unsourced or poorly sourced material to Wikipedia. 2601:19E:4180:6D50:65F5:930C:B0B2:CD63 (talk) 02:18, 9 February 2024 (UTC)