The pivot arm is then moved radially with respect to said wheel so that the inner and outer beads of said tire within said angular sector contact said wheel laterally between {HEAD ~ the inner and outer bead retaining flanges} of {TAIL ~ the wheel} 
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The pivot arm is then moved radially with respect to said wheel so that the inner and outer beads of said tire within said angular sector contact said wheel laterally between { HEAD ~ the inner and outer bead retaining flanges } of { TAIL ~ the wheel }
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 HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL