The matting 1, wherein {TAIL ~ the core material} comprises PVC foam or {HEAD ~ phenolic foam} 
The matting 1 , wherein { TAIL ~ the core material } comprises PVC foam or { HEAD ~ phenolic foam }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD