An aircraft fuel scavenge system incorporates {HEAD ~ a scavenge pump} receiving {TAIL ~ fuel} from a center tank and depositing the fuel in a wing tank 
An aircraft fuel scavenge system incorporates { HEAD ~ a scavenge pump } receiving { TAIL ~ fuel } from a center tank and depositing the fuel in a wing tank
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH