User talk:51.9.136.168

April 2024[edit]

Hello, I'm Greyjoy. I noticed that you added or changed content in an article, Cavity wall, 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. Greyjoy^talk 19:24, 26 April 2024 (UTC)[reply]

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Please do not add or change content without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. MrOllie (talk) 19:39, 26 April 2024 (UTC)[reply]

May 2024[edit]

Please stop. If you continue to blank out or remove portions of page content, templates, or other materials from Wikipedia without adequate explanation, as you did at Talk:Chemistry of ascorbic acid, you may be blocked from editing. DMacks (talk) 03:22, 9 May 2024 (UTC)[reply]

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