About: http://webisa.webdatacommons.org/174286798

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	The attachment element is preferably formed of sheet metal, including without limitation steel, aluminum and the like, but the invention is not limited to that material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com