Further, {HEAD ~ this configuration} of {TAIL ~ resilient material} 44 permits of great ease of construction through coextrusion techniques 
of
Further , { HEAD ~ this configuration } of { TAIL ~ resilient material } 44 permits of great ease of construction through coextrusion techniques
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH