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