About: http://webisa.webdatacommons.org/6279515

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	Another method is to use inert gases, such as argon, helium, or carbon dioxide, as shielding gases that protect the molten weld pool.
http://www.w3.org/ns/prov#wasQuotedFrom	ebay.co.uk