It is contemplated that fuel return line 69 may include {HEAD ~ various components}, such as a cooler, {TAIL ~ a check valve}, a pressure regulator, etc 
such as
It is contemplated that fuel return line 69 may include { HEAD ~ various components } , such as a cooler , { TAIL ~ a check valve } , a pressure regulator , etc
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH