FIGS 2 5 disclose {HEAD ~ other embodiments} of the recirculation channel 23 and {TAIL ~ the separating member} 9 
of
FIGS 2 5 disclose { HEAD ~ other embodiments } of the recirculation channel 23 and { TAIL ~ the separating member } 9
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH