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