The feed array is comprised of {HEAD ~ a plurality} of {TAIL ~ separate feeds} which are aligned on a predetermined contour 
of
The feed array is comprised of { HEAD ~ a plurality } of { TAIL ~ separate feeds } which are aligned on a predetermined contour
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH