<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Guardian_valve> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Steam_turbine> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Safety_valve> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Marine_steam_engine> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Safety_valves> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Guardian valve" .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Steam_turbines> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Marine_steam_engines> .
<http://caligraph.org/resource/Guardian_valve>	<http://www.w3.org/2000/01/rdf-schema#label>	"Guardian valve" .