Further, the material stiffness of the buffer element is less than {TAIL ~ the material stiffness} of {HEAD ~ the supporting base} 
Further , the material stiffness of the buffer element is less than { TAIL ~ the material stiffness } of { HEAD ~ the supporting base }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD