bending said inner fibers with {HEAD ~ a curvature} determined by {TAIL ~ said rear tray}; and 
determined by
bending said inner fibers with { HEAD ~ a curvature } determined by { TAIL ~ said rear tray } ; and
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH