User talk:Bob2129670845

April 2017
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Water purification has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 17:31, 26 April 2017 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Water purification was changed by Bob2129670845 (u) (t) ANN scored at 0.973602 on 2017-04-26T17:31:23+00:00.