About: http://webisa.webdatacommons.org/91147656

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	Underside 74 of trough 70 is preferably metalized with a reflective material such as aluminum or gold.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com