About: http://webisa.webdatacommons.org/287019239

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	Other cross-sectional geometries are possible including square and other polygonal shapes with longerons or other concentrated stiffening structure arranged along the comers of the polygonal shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com