The fuel vapor passage is communicated with {TAIL ~ the fuel tank} to conduct fuel vapor, which is generated in {HEAD ~ the fuel tank} 
The fuel vapor passage is communicated with { TAIL ~ the fuel tank } to conduct fuel vapor , which is generated in { HEAD ~ the fuel tank }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD