About: http://webisa.webdatacommons.org/383341432

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 torch is then in a working mode of operation.For controlling the work operation being performed, it is known to use a control fluid such as a shielding gas to surround the arc with a swirling curtain of gas.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com