FIG 2 shows a schematic view of a cross section of {HEAD ~ the intermediate layer} in FIG 1 sectioned parallel to {TAIL ~ the plane} 
sectioned parallel to
FIG 2 shows a schematic view of a cross section of { HEAD ~ the intermediate layer } in FIG 1 sectioned parallel to { TAIL ~ the plane }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL