About: http://webisa.webdatacommons.org/311141040

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 term ???gas??? means any gas or combination of gases, including argon, nitrogen, chlorine, fluorine, freon, and helium, that are released into molten metal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com