About: http://webisa.webdatacommons.org/288178724

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 apparatus comprises a biasing means arranged and configured to provide support for a user when in use, the biasing means including a sleeve and a piston arranged to move relative to the sleeve.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org