The pivot arm then releases the first angular sector of the tire and the press arm moves away from contact with {HEAD ~ the second angular sector} of {TAIL ~ the tire} to allow the tire to return to its initial shape 
of
The pivot arm then releases the first angular sector of the tire and the press arm moves away from contact with { HEAD ~ the second angular sector } of { TAIL ~ the tire } to allow the tire to return to its initial shape
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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH