{HEAD ~ The inner wall member} includes {TAIL ~ a transverse bottomplate} which is provided with a series of openings around its periphery 
{ HEAD ~ The inner wall member } includes { TAIL ~ a transverse bottomplate } which is provided with a series of openings around its periphery
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH