About: http://webisa.webdatacommons.org/101069630

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 light transmission layer is generally made of a transparent resin such as PMMA (poly methyl methacrylate).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com