About: http://webisa.webdatacommons.org/268539295

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	Further, there is a need for such a lamp to form the necessary illuminated symbol images without having to use masked lenses that are expensive and waste energy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com