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

<http://www.irandoc.acir/onto/irandoc/NEMA0002594>
  skos:altLabel "زغال کک"@fa ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002609>, <http://www.irandoc.acir/onto/irandoc/NEMA0008713> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002596> ;
  skos:prefLabel "کک"@fa, "coke"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008713>
  skos:prefLabel "کربن"@fa, "carbon"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002594> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002596>
  skos:prefLabel "زغال‌سنگ"@fa, "coal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002594> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002609>
  skos:prefLabel "سوخت‌های متالورژیکی"@fa, "metallurgical fuels"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002594> .