{HEAD ~ The bead area} has {TAIL ~ a profiled single bead filler} that extends radially outward from the apex portion with an essentially constant thickness portion and a tapered portion 
has
{ HEAD ~ The bead area } has { TAIL ~ a profiled single bead filler } that extends radially outward from the apex portion with an essentially constant thickness portion and a tapered portion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH