{HEAD ~ The thickness} of {TAIL ~ the bladder} is gradually decreased from the portions of the bladder, which correspond to the beads of the still unvulcanized tire, to the portion of the bladder, which corresponds to the tread of the still unvulcanized tire 
of
{ HEAD ~ The thickness } of { TAIL ~ the bladder } is gradually decreased from the portions of the bladder , which correspond to the beads of the still unvulcanized tire , to the portion of the bladder , which corresponds to the tread of the still unvulcanized tire
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH