{HEAD ~ The top ply} 3″ includes {TAIL ~ a wall} 13″ which extends from the top ply bottom surface 3 b″ 
{ HEAD ~ The top ply } 3″ includes { TAIL ~ a wall } 13″ which extends from the top ply bottom surface 3 b″
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH