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