{TAIL ~ A canister} is connected with a fuel tank to adsorb fuel vapor generated in {HEAD ~ the fuel tank} 
{ TAIL ~ A canister } is connected with a fuel tank to adsorb fuel vapor generated in { HEAD ~ the fuel tank }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD