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

<http://www.irandoc.acir/onto/irandoc/insp0001545>
  skos:prefLabel "Oil refining"@en, "پالایش نفت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0011297>
  skos:prefLabel "Fuel"@en, "سوخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0010010>
  skos:prefLabel "Petroleum industry"@en, "صنعت نفت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0003627>
  skos:prefLabel "Chemical product"@en, "محصول شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0004778>
  skos:prefLabel "Petrochemicals"@en, "مواد پتروشیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0011291>
  skos:prefLabel "Crude oil"@en, "روغن خام"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0010433>
  skos:prefLabel "Fuel desulphurization"@en, "گوگردزدایی سوخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .

<http://www.irandoc.acir/onto/irandoc/insp0011294>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011297>, <http://www.irandoc.acir/onto/irandoc/insp0003627> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010010>, <http://www.irandoc.acir/onto/irandoc/insp0010433>, <http://www.irandoc.acir/onto/irandoc/insp0001545>, <http://www.irandoc.acir/onto/irandoc/insp0004778>, <http://www.irandoc.acir/onto/irandoc/insp0011291>, <http://www.irandoc.acir/onto/irandoc/insp0010129> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "Petroleum"@en, "نفت خام"@fa ;
  skos:altLabel "petrol"@en .

<http://www.irandoc.acir/onto/irandoc/insp0010129>
  skos:prefLabel "Hydrocarbon reservoir"@en, "مخزن هیدروکربنی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011294> .