FIG 2 shows the housing part 1 of {HEAD ~ the fuel delivery unit} with a valve 11 which is designed as {TAIL ~ a ventilation valve} 
FIG 2 shows the housing part 1 of { HEAD ~ the fuel delivery unit } with a valve 11 which is designed as { TAIL ~ a ventilation valve }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL