Please refrain from making test edits in Wikipedia pages, such as those you made to Second law of thermodynamics , even if you intend to fix them later. Your edits do not appear to be constructive and have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Materialscientist (talk) 21:57, 20 November 2015 (UTC)
Hello. I wanted to let you know that one or more of your recent contributions to Australian Ethical Investment has been undone 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. Widr (talk) 17:30, 26 April 2016 (UTC)
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