The press arm forces {TAIL ~ both the inner and outer beads} of said tire within said second angular sector to pass one of {HEAD ~ the inner or outer beads} retaining flanges of said wheel 
The press arm forces { TAIL ~ both the inner and outer beads } of said tire within said second angular sector to pass one of { HEAD ~ the inner or outer beads } retaining flanges of said wheel
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH