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