About: http://webisa.webdatacommons.org/94872387

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	When two or more work pieces are to be permanently joined by welding, thermocompression bonding, fusing, reflow soldering, or other techniques or methods, an external energy source is normally required to promote the bond.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com