Apresentao do PowerPoint

http://www.controlflow.com/mc_crown.htmlhttp://www.btechguru.com/profile.php?id=geemon&tab=2&bid=ab7416c5cbefc017

http://www.hydro-space.de/18/en/5/hydraulic-systems/heave-compensator.aspx

http://www.drillingcontractor.org/riser-failure-study-ids-well-control-weak-links-14604