<http://webisa.webdatacommons.org/102530762>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<britannica.com> .
<http://webisa.webdatacommons.org/prov/263357054>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/102530762> .
<http://webisa.webdatacommons.org/102530762>	<http://www.w3.org/ns/prov#value>	"valve, in mechanical engineering, device for controlling the flow of fluids (liquids, gases, slurries) in a pipe or other enclosure." .
<http://webisa.webdatacommons.org/102530762>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .