About: http://webisa.webdatacommons.org/253672849

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	Above 2000 degrees Fahrenheit the walls must be made of carborundum, or other very highly refractory material.
http://www.w3.org/ns/prov#wasQuotedFrom	basic-stuff.com