About: http://webisa.webdatacommons.org/398359208

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	Control valves 320 can take many different forms depending on the chemical product and use including metering pumps and motorized valves for liquid applications, and volumetric and gravimetric feeders for solid chemical dispensing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com