About: http://webisa.webdatacommons.org/38844025

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The rigid sheets used here may be formed of glass, metal, ceramic, or polymers including polycarbonate, acrylic, polyacrylate, cyclic polyolefin, metallocene-catalyzed polystyrene and combinations of two or more thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca