About: http://webisa.webdatacommons.org/219313420

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 underside of the sheet should be coextensively line with excellent light reflecting material, such as aluminum foil.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca