<http://webisa.webdatacommons.org/312692790>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/158843778>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/312692790> .
<http://webisa.webdatacommons.org/312692790>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/312692790>	<http://www.w3.org/ns/prov#value>	"These systems use various types of valves, which have internal actuators for the valve elements." .