{TAIL ~ The female die} has a cavity, {HEAD ~ whose wall} has a bottom portion and a top portion 
{ TAIL ~ The female die } has a cavity , { HEAD ~ whose wall } has a bottom portion and a top portion
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH