{HEAD ~ The finishing} of the shape of the supporting body is simple and has {TAIL ~ a lower cost} 
{ HEAD ~ The finishing } of the shape of the supporting body is simple and has { TAIL ~ a lower cost }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL