About: http://webisa.webdatacommons.org/395774130

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 optical member 10 is made of a plastic, such as PMMA or polycarbonate, by injection molding, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com