About: http://webisa.webdatacommons.org/187575402

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	For instance, the top and the conically-shaped reflector can be made from a polished metal, such as gold, or from a highly reflective dielectric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au