About: http://webisa.webdatacommons.org/42724953

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	First, a torch operator must know some basic cutting parameters, such as the material to be cut, the thickness of the workpiece, and the plasma gas to be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com