{HEAD ~ The grate} has {TAIL ~ ridges} and valleys to distribute heat evenly and to radiate heat to the food from several directions 
has
{ HEAD ~ The grate } has { TAIL ~ ridges } and valleys to distribute heat evenly and to radiate heat to the food from several directions
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH