About: http://webisa.webdatacommons.org/425537972

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	It usually consists of a reflective material, such as aluminum, bonded to thin wood or another type of backing.
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com