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

<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:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002616>
  skos:prefLabel "سوخت‌ها"@fa, "fuels"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002600>
  skos:prefLabel "نفت پلمه‌سنگ"@fa, "shale oil"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008711>
  skos:prefLabel "کانی‌ها"@fa, "minerals"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001377>
  skos:prefLabel "شیل‌های نفتی"@fa, "oil shales"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002597>
  skos:prefLabel "زغال‌سنگ نارس"@fa, "peat"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002601>
  skos:prefLabel "نفت خام"@fa, "petroleum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<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:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001378>
  skos:prefLabel "ذخایر سوخت فسیلی"@fa, "fossil fuel deposits"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002604>
  skos:prefLabel "گاز زغال‌سنگ"@fa, "coal gas"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002602> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002602>
  skos:prefLabel "fossil fuels"@en, "سوخت‌های فسیلی"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002600>, <http://www.irandoc.acir/onto/irandoc/NEMA0002604>, <http://www.irandoc.acir/onto/irandoc/NEMA0002601>, <http://www.irandoc.acir/onto/irandoc/NEMA0002596>, <http://www.irandoc.acir/onto/irandoc/NEMA0002597>, <http://www.irandoc.acir/onto/irandoc/NEMA0002606> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001377>, <http://www.irandoc.acir/onto/irandoc/NEMA0008711>, <http://www.irandoc.acir/onto/irandoc/NEMA0001378> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002616> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .