The grate is {HEAD ~ one piece} of {TAIL ~ heat resistant steel} for economy, and to vaporize grease 
of
The grate is { HEAD ~ one piece } of { TAIL ~ heat resistant steel } for economy , and to vaporize grease
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH