<http://webisa.webdatacommons.org/74929873>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<virginiawestern.edu> .
<http://webisa.webdatacommons.org/prov/335238442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/74929873> .
<http://webisa.webdatacommons.org/74929873>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/74929873>	<http://www.w3.org/ns/prov#value>	"They also control pumps, valves and other equipment that moves the water or wastewater through the various treatment processes, after which they dispose of the removed waste." .