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<http://webisa.webdatacommons.org/prov/396246331>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/259149871> .
<http://webisa.webdatacommons.org/259149871>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/81243282>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/259149871> .
<http://webisa.webdatacommons.org/259149871>	<http://www.w3.org/ns/prov#value>	"Heating and ventilating systems, such as furnaces, air conditioning and water heaters" .