@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

nalt:33649
  skos:prefLabel "propiedades de la madera"@es, "wood properties"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:31971 .

nalt:23183
  skos:prefLabel "cavidades de los árboles"@es, "tree cavities"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:31971 .

nalt:31971_def
  rdf:value "Cualquiera de las diversas imperfecciones observables en la madera aserrada o en los productos madereros, tales como grietas, hendiduras, nudos, cavidades, combas, quemaduras de máquinas, manchas de albura, manchas azules, madera arqueada, curvas y agujeros de polillas."@es, "Any of the various imperfections that can be observed in lumber and wood products, such as checks, splits, knots, crooks, bowed wood, machine burns, sap-stain, blue-stain, cupped wood, twists, and wormholes."@en ;
  dc:source "NAL Thesaurus Staff" ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

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

nalt:31971
  skos:altLabel "case hardening (wood defects)"@en, "wood anomalies"@en ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C18131>, <http://aims.fao.org/aos/agrovoc/c_28188>, <http://id.cabi.org/cabt/124811> ;
  skos:hiddenLabel "case hardening in lumber"@en, "case hardening of wood"@en, "case hardening of timber"@en, "longitudinal growth stress"@en, "wood-defects"@en, "red heart"@en, "case hardening in wood"@en ;
  skos:related nalt:23183 ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:prefLabel "wood defects"@en, "defectos de la madera"@es ;
  dc:modified "2018-09-07"^^xsd:date ;
  skos:definition nalt:31971_def ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Product> ;
  skos:narrower nalt:48536 ;
  skos:broader nalt:33649 ;
  ns0:marc001 "40112" .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .

nalt:48536
  skos:prefLabel "nudos"@es, "knots"@en ;
  a ns0:Product, skos:Concept ;
  skos:broader nalt:31971 .