About: http://webisa.webdatacommons.org/166986002

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	Thus the Fresnel lens is so positioned so as to allow it to bow and flex under wind loads, gravity and other environmental factors without causing significant deterioration in the efficiency of the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com