About: http://webisa.webdatacommons.org/39996802

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	For example, in lathes and other machine tools, such valve members control the pressure flow between directional control lines for adjusting work supports.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com