User talk:103.58.116.190

Recent edit to Worm drive
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Worm drive, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Materialscientist (talk) 09:02, 18 February 2020 (UTC)

May 2020
Welcome to Wikipedia. We appreciate your contributions, but in one of your recent edits to Arranged marriage, it appears that you have added original research, which is against Wikipedia's policies. Original research refers to material—such as facts, allegations, ideas, and personal experiences—for which no reliable, published sources exist; it also encompasses combining published sources in a way to imply something that none of them explicitly say. Please be prepared to cite a reliable source for all of your contributions. You can have a look at the tutorial on citing sources. Thank you. Materialscientist (talk) 06:37, 23 May 2020 (UTC)
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