Hello, I'm Amp71. I wanted to let you know that I undid one or more of your recent contributions to Los Angeles Zoo because it did not appear constructive. If you would like to experiment, you can 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! Amp71 (talk) 00:01, 24 September 2013 (UTC)
Hello, I'm Materialscientist. An edit that you recently made to Halley's Comet seemed to be a test and has been removed. If you want more practice editing, 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! Materialscientist (talk) 02:00, 12 December 2013 (UTC)
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