About: http://webisa.webdatacommons.org/22495940

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	Therefore, it is not necessary to have on hand various types of directional control valves having different structures for use in different modes of installation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com