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