{HEAD ~ The mounted board} 1, wherein said fine powder is one material selected from the group consisting of titanium oxide, calcium carbonate, clay, silica, zirconia, carbon, alumina, talc, polyvinyl chloride, acrylic resins, {TAIL ~ polystyrene} and polyethylene 
{ HEAD ~ The mounted board } 1 , wherein said fine powder is one material selected from the group consisting of titanium oxide , calcium carbonate , clay , silica , zirconia , carbon , alumina , talc , polyvinyl chloride , acrylic resins , { TAIL ~ polystyrene } and polyethylene
HEAD 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 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