Hello, I'm Materialscientist. I noticed that you made a change to an article, 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! 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) 21:26, 1 April 2016 (UTC)
September 2016 edit
Hello, I'm Marvellous Spider-Man. I wanted to let you know that I reverted one of your recent contributions —the one you made with this edit to Netherlands— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Marvellous Spider-Man 17:14, 5 September 2016 (UTC)
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Please do not add original research or novel syntheses of published material to articles. Please cite a reliable source for all of your contributions. Thank you. Materialscientist (talk) 21:37, 5 September 2016 (UTC)
October 2016 edit
You may be blocked from editing without further warning the next time you vandalize Wikipedia, as you did at Netherlands. --David Biddulph (talk) 16:22, 23 October 2016 (UTC)
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