The membrane electrode assembly and the cooperating fluid supply channel and cooperating {HEAD ~ exhaust channel} forming {TAIL ~ a single fuel cell assembly} 
forming
The membrane electrode assembly and the cooperating fluid supply channel and cooperating { HEAD ~ exhaust channel } forming { TAIL ~ a single fuel cell assembly }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL