About: http://webisa.webdatacommons.org/218883695

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	This position is particularly useful when the chair is being lowered down stairs as it enables the lower operator to push or lean against the handles to provide resistance to the chair moving downstairs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es