Hello, I'm K6ka. I wanted to let you know that I undid one of your recent contributions, such as the one you made with to Talk:Thermal pollution, because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. K6ka (talk | contribs) 18:01, 20 February 2014 (UTC)
Please refrain from making unconstructive edits to Wikipedia, as you did at Groundwater. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Administrators can block users from editing if they repeatedly vandalize. Thank you. Pinethicket (talk) 18:02, 20 February 2014 (UTC)
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