About: http://webisa.webdatacommons.org/402931717

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	to 500??? C., preferably 330??? C. to 480??? C. Optionally, part of the air may be diluted with an inert gas such as steam, nitrogen, or carbon dioxide gas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com