{HEAD ~ The first material} is selected from the group consisting of cork, kapok, rubber, or a thermoplastic resin such as an ethylene vinyl acetate copolymer, an ethylene acrylic acid copolymer or a blend of {TAIL ~ both} 
{ HEAD ~ The first material } is selected from the group consisting of cork , kapok , rubber , or a thermoplastic resin such as an ethylene vinyl acetate copolymer , an ethylene acrylic acid copolymer or a blend of { TAIL ~ both }
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 TAIL TAIL TAIL TAIL TAIL