About: http://webisa.webdatacommons.org/330162741

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 applications having insignificant temperature changes and where manufacturing cost is an issue, it will be preferred to make lens L1 entirely from plastic material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com