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