About: http://webisa.webdatacommons.org/445518437

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	Retraction bar 22, mounting arm 26, and platen 28 can be formed from any suitable substantially rigid and durable material, such as wood, plastic, or steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au