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I have made some revisions that I hope make this article more substantial. Prof McCarthy ( talk)

Multiple copies of the same text.

I would like to help improve this page, however, the almost exact text also appears in Kinematics#Kinematic_pairs and Mechanism_(engineering)#Kinematic_pairs. I don't know where I should direct my efforts.

Should the articles be merged, reorganized, or what? Wikfr ( talk) 22:03, 17 December 2012 (UTC) reply