The alignment state of {TAIL ~ the wheels} is tested by determining a first test toe angle of a first wheel relative to a first reference point and determining {HEAD ~ a second test toe angle} of a second wheel relative to a second reference point 
The alignment state of { TAIL ~ the wheels } is tested by determining a first test toe angle of a first wheel relative to a first reference point and determining { HEAD ~ a second test toe angle } of a second wheel relative to a second reference point
OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH