About: http://webisa.webdatacommons.org/426685276

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 elevations of the tow points 20a,20b are controlled by actuators such as hydraulic rams 22a,22b.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com