About: http://webisa.webdatacommons.org/75698595

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	The reflective material is designated by the reference numeral 61 and may be, for example, polished steel or aluminum, painted material, or other suitable reflecting surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com