{HEAD ~ The method} 1 wherein said solid particulate material is selected from the group of sand, carbon, graphite, silicon carbide, {TAIL ~ magnesite}, and dolomite 
{ HEAD ~ The method } 1 wherein said solid particulate material is selected from the group of sand , carbon , graphite , silicon carbide , { TAIL ~ magnesite } , and dolomite
HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH