@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Topic>
  a owl:Class ;
  rdfs:label "Topic"@en .

nalt:41887
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2019-02-13"^^xsd:date ;
  skos:broader nalt:105358 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85052511> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:292417 ;
  skos:prefLabel "furnaces"@en, "calderas (calefacción)"@es ;
  skos:related nalt:242228, nalt:242229, nalt:301773, nalt:327206 ;
  ns0:marc001 "15989" .

nalt:242228
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "chimeneas"@es, "chimneys"@en ;
  skos:related nalt:41887 .

nalt:292417
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:41887 ;
  skos:prefLabel "hornos eléctricos"@es, "electric furnaces"@en .

nalt:105358
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:41887 ;
  skos:prefLabel "heating systems"@en, "sistemas de calefacción"@es .

nalt:242229
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "solar chimneys"@en, "chimeneas solares"@es ;
  skos:related nalt:41887 .

nalt:301773
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "eficiencia de combustión"@es, "combustion efficiency"@en ;
  skos:related nalt:41887 .

nalt:327206
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "fundiciones"@es, "smelters"@en ;
  skos:related nalt:41887 .