About: http://webisa.webdatacommons.org/65487903

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 column is also provided with suitable means, such as a hydraulic piston and cylinder, for elevating and lowering the workpiece supporting face of the column.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com