</noinclude> ==References== *http://www.tpub.com/content/medical/10669-c/index.htm *http://www.tpub.com/content/medical/14295/index.htm *http://www.tpub.com/content/aviationandaccessories/TM-1-1680-359-10/index.htm TM-1-1680-359-10 *http://www.cert-la.com/liftcarry/Liftcarry.htm <noinclude>