Each of {HEAD ~ the side wall rubbers} covers the packing rubber and extends from the bead part to the side wall part so as to form {TAIL ~ the outside surface} of the tire 
Each of { HEAD ~ the side wall rubbers } covers the packing rubber and extends from the bead part to the side wall part so as to form { TAIL ~ the outside surface } of the tire
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH