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