"0"^^ . "polymethyl methacrylate"^^ . . . . . . . "polymethyl methacrylate"@en-us . . . "113758437"@en-us . . "114593874"^^ . "110455341"@en-us . "0"^^ . "14593874-n"^^ . "a transparent plastic used as a substitute for glass"@en-us .