In another configuration, the bottom ply wall extends downwardly from the bottom ply lower surface, such that {HEAD ~ the well} is below {TAIL ~ the bottom ply lower surface} 
is below
In another configuration , the bottom ply wall extends downwardly from the bottom ply lower surface , such that { HEAD ~ the well } is below { TAIL ~ the bottom ply lower surface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL