{HEAD ~ The flow barrier} additionally includes {TAIL ~ a handle section} in the form of a fluted flange 
includes
{ HEAD ~ The flow barrier } additionally includes { TAIL ~ a handle section } in the form of a fluted flange
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH