About: http://webisa.webdatacommons.org/439688818

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	You can also use an inert gas such as argon or carbon dioxide to shield the heat affected zone.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com