User talk:31.121.133.130

December 2021
Hello, I'm Such-change47. I noticed that you added or changed content in an article, Polypore, 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. Such-change47 (talk) 08:35, 23 December 2021 (UTC)