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

<http://www.irandoc.acir/onto/irandoc/NEMA000552>
  skos:prefLabel "واحدهای صنعتی"@fa, "industrial plants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000549> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002605>
  skos:prefLabel "گاز صنعتی"@fa, "manufactured gas"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000549> .

<http://www.irandoc.acir/onto/irandoc/NEMA000549>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0005866>, <http://www.irandoc.acir/onto/irandoc/NEMA0002605>, <http://www.irandoc.acir/onto/irandoc/NEMA0002606> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000552> ;
  skos:prefLabel "کارخانه‌های گاز"@fa, "gas plants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0005866>
  skos:prefLabel "صنعت گاز"@fa, "gas industry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000549> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002606>
  skos:prefLabel "گاز طبیعی"@fa, "natural gas"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000549> .