As the leaf spring is deflected, {HEAD ~ the body} of {TAIL ~ polymeric material} is resiliently compressed by the leaf spring 
As the leaf spring is deflected , { HEAD ~ the body } of { TAIL ~ polymeric material } is resiliently compressed by the leaf spring
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH