6 Simple Machines: Revision history

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24 August 2014

  • curprev 18:1418:14, 24 August 2014Marcin talk contribs 202 bytes +202 Created page with "Esp useful is mechanical advantage of screw - say for ball screw drive of precision machines. http://www.constructionknowledge.net/general_technical_knowledge/general_tech_ba..."