A water transport unit is integrated into the fuel cell so that the size, weight and {HEAD ~ complexity} of {TAIL ~ a fuel cell} is minimized 
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A water transport unit is integrated into the fuel cell so that the size , weight and { HEAD ~ complexity } of { TAIL ~ a fuel cell } is minimized
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH