determining {HEAD ~ a first aligned toe angle} of {TAIL ~ the first wheel} relative to a first reference point, 
of
determining { HEAD ~ a first aligned toe angle } of { TAIL ~ the first wheel } relative to a first reference point ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH