{HEAD ~ The third plate section} is {TAIL ~ a flat plate section} which is contiguous to the inclined plate section at the above mentioned second point 
is
{ HEAD ~ The third plate section } is { TAIL ~ a flat plate section } which is contiguous to the inclined plate section at the above mentioned second point
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH