About: http://webisa.webdatacommons.org/292376655

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	In manufacturing lenses, and particularly lenses for use with eyeglasses, the use of plastics is often desirable due to their weight and durability.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk