A cast alloy body of cylindrical form with longitudinal flutes or grooves in a tubular casing has liquid fuel passed through the casing and in {TAIL ~ contact} with {HEAD ~ the body} 
A cast alloy body of cylindrical form with longitudinal flutes or grooves in a tubular casing has liquid fuel passed through the casing and in { TAIL ~ contact } with { HEAD ~ the body }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD