About: http://webisa.webdatacommons.org/204207157

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 may be cut from a lens blank, or formed directly into its final configuration such as by injection molding or other techniques known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es