About: http://webisa.webdatacommons.org/409839209

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	They can be used for optical components such as lenses, disks, covers and glasses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com