@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004434>
  skos:prefLabel "گرمایش"@fa, "heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004430> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004430>
  skos:altLabel "CALEFACCION CON RAYOS INFRARROJOS"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004427>, <http://www.irandoc.acir/onto/irandoc/NEMA0004431>, <http://www.irandoc.acir/onto/irandoc/NEMA0004492> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004434> ;
  skos:prefLabel "گرمایش تابشی"@fa, "radiant heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004492>
  skos:prefLabel "تابش فروسرخ"@fa, "infrared radiation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004430> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004427>
  skos:prefLabel "گرمایش الکتریکی"@fa, "electric heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004430> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004431>
  skos:prefLabel "گرمایش خورشیدی"@fa, "solar heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004430> .