About: http://webisa.webdatacommons.org/327260141

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 lens material 20 may be any suitable optically transparent material such as silicone, an epoxy, or a hybrid silicone/epoxy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com