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