About: http://webisa.webdatacommons.org/252713367

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	Preferably, a tongue-and-groove interface or other interlocking interface is provided at the base of each U-shaped member to facilitate alignment and attachment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com