Upon continued operation of the actuator, {TAIL ~ the leaf spring} is deflected about a fulcrum which is at least partially formed by {HEAD ~ the body} of polymeric material 
Upon continued operation of the actuator , { TAIL ~ the leaf spring } is deflected about a fulcrum which is at least partially formed by { HEAD ~ the body } of polymeric material
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH