About: http://webisa.webdatacommons.org/110599747

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	These were grouped around topics such as maintenance, control valves, design actuation, diagnostics, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	valve-world.net