About: http://webisa.webdatacommons.org/405730398

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 position of the slidable members is adjustable by means of wedge shaped elements operable by adjusting screws or other devices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca