The thickness of 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 {HEAD ~ the tread} of {TAIL ~ the still unvulcanized tire} 
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The thickness of 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 { HEAD ~ the tread } of { TAIL ~ the still unvulcanized tire }
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 HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL