About: http://webisa.webdatacommons.org/199732067

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	For example, a beam bridge might be made of solid beams of steel, concrete, wood or other rigid material.
http://www.w3.org/ns/prov#wasQuotedFrom	teachengineering.org