{HEAD ~ The body member} includes a cavity on {TAIL ~ its first end} which terminates by an end wall at its second end 
{ HEAD ~ The body member } includes a cavity on { TAIL ~ its first end } which terminates by an end wall at its second end
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH