Please stop making test edits to Wikipedia. It is considered vandalism, which, under Wikipedia policy, can lead to a loss of editing privileges. If you would like to experiment again, please use the sandbox. Materialscientist (talk) 07:14, 12 November 2013 (UTC)
Please stop making test edits to Wikipedia. It is considered vandalism, which, under Wikipedia policy, can lead to being blocked from editing. If you would like to experiment again, please use the sandbox. El_C 02:06, 31 July 2019 (UTC)
February 2020
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Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Presidents Day (disambiguation) have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the help desk. Materialscientist (talk) 10:57, 18 February 2020 (UTC)
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