User talk:Hrthrdtj

February 2018
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Contact force has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 16:08, 11 February 2018 (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: Contact force was changed by Hrthrdtj (u) (t) ANN scored at 0.981207 on 2018-02-11T16:08:01+00:00.