About: http://webisa.webdatacommons.org/92981684

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	FIG. 3A is a cross-sectional side view of a transparent lens 2 supported by a universal centered support bearing 8, that is one optical element 1 of an adjustable Fresnel lens solar concentrator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com