About: http://webisa.webdatacommons.org/420171428

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	Innovations dealing with this technology are currently under development, such as utilizing a prefabricated concrete member as the bottom chord of the truss.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov