About: http://webisa.webdatacommons.org/201692445

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	Bracket 21 is made to a suitable length, such as 6 feet, and three such brackets are attached to one edge of the plate of the example shown on the drawings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es