<http://caligraph.org/ontology/Ship_with_fire_tube_boilers>	<http://www.w3.org/2000/01/rdf-schema#label>	"Ship with fire tube boilers" .
<http://caligraph.org/ontology/Ship_with_fire_tube_boilers>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_powerType_Fire-tube%20boiler> .
<http://caligraph.org/ontology/Ship_with_box_type_boilers>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_with_fire_tube_boilers> .
<http://caligraph.org/ontology/Ship_with_fire_tube_boilers>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Steamship> .
<http://caligraph.org/ontology/Ship_with_cylindrical_boilers>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_with_fire_tube_boilers> .
<http://caligraph.org/ontology/Ship_with_fire_tube_boilers>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ships_with_fire_tube_boilers> .
<http://caligraph.org/ontology/Ship_with_fire_tube_boilers>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .