About: http://webisa.webdatacommons.org/355418545

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	In metallic truss structures for use as girders, frames or other purposes, parts are generally secured together by electrically welding them at the points of intersection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com