It is used in diagnostics to confirm that {TAIL ~ the projected stripes} are covering {HEAD ~ the model} properly 
It is used in diagnostics to confirm that { TAIL ~ the projected stripes } are covering { HEAD ~ the model } properly
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH