FIG 5 illustrates the top of {HEAD ~ a transfer structure} 80 which includes {TAIL ~ eight pipes} 82 
includes
FIG 5 illustrates the top of { HEAD ~ a transfer structure } 80 which includes { TAIL ~ eight pipes } 82
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH