A dispensing tube is connected from {HEAD ~ the inlet} to expel {TAIL ~ fuel} into a chamber in the canister 
to expel
A dispensing tube is connected from { HEAD ~ the inlet } to expel { TAIL ~ fuel } into a chamber in the canister
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH