User talk:Cool20039

December 2016
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to History of engineering has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 15:25, 12 December 2016 (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.
 * For help, take a look at the introduction.
 * The following is the log entry regarding this message: History of engineering was changed by Cool20039 (u) (t) ANN scored at 0.856961 on 2016-12-12T15:25:04+00:00.