About: http://webisa.webdatacommons.org/273783551

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	Specifically, materials such as cardboard and string are used to demonstrate tension and compression in truss-bridge models.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov