The border can also use additional features to enhance {HEAD ~ the determination} of {TAIL ~ rotation} and skew 
of
The border can also use additional features to enhance { HEAD ~ the determination } of { TAIL ~ rotation } and skew
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH