When the latch body 401 is pivoted into {TAIL ~ the latched position}, {HEAD ~ the hook} 408 pulls the cap assembly 30 tightly against the tank assembly 20 
When the latch body 401 is pivoted into { TAIL ~ the latched position } , { HEAD ~ the hook } 408 pulls the cap assembly 30 tightly against the tank assembly 20
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH