The second angular sector is located on {TAIL ~ the tire} at {HEAD ~ an angular position} that is substantially opposite from the angular position of the first angular sector 
The second angular sector is located on { TAIL ~ the tire } at { HEAD ~ an angular position } that is substantially opposite from the angular position of the first angular sector
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH