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

<http://www.irandoc.acir/onto/irandoc/insp0008003>
  skos:prefLabel "Raw materials"@en, "مواد اولیه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011291> .

<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/insp0011291> .

<http://www.irandoc.acir/onto/irandoc/insp0011292>
  skos:prefLabel "Fossil fuel"@en, "سوخت فسیلی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011291> .

<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/insp0011291> .

<http://www.irandoc.acir/onto/irandoc/insp0004756>
  skos:prefLabel "Oils"@en, "روغن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011291> .

<http://www.irandoc.acir/onto/irandoc/insp0011291>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010010>, <http://www.irandoc.acir/onto/irandoc/insp0010871>, <http://www.irandoc.acir/onto/irandoc/insp0011294>, <http://www.irandoc.acir/onto/irandoc/insp0010129>, <http://www.irandoc.acir/onto/irandoc/insp0008003>, <http://www.irandoc.acir/onto/irandoc/insp0001545> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011292>, <http://www.irandoc.acir/onto/irandoc/insp0004756> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "روغن خام"@fa, "Crude oil"@en .

<http://www.irandoc.acir/onto/irandoc/insp0010871>
  skos:prefLabel "Oil pollution"@en, "آلودگی نفتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011291> .

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

<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/insp0011291> .