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

<http://www.irandoc.acir/onto/irandoc/insp0003075>
  skos:prefLabel "Railway"@en, "راه‌آهن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0003073> .

<http://www.irandoc.acir/onto/irandoc/insp000645>
  skos:prefLabel "Power overhead line"@en, "خط هوایی قدرت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003073> .

<http://www.irandoc.acir/onto/irandoc/insp000336>
  skos:prefLabel "Electric locomotive"@en, "لوکوموتیو برقی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003073> .

<http://www.irandoc.acir/onto/irandoc/insp0003073>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000336>, <http://www.irandoc.acir/onto/irandoc/insp000645>, <http://www.irandoc.acir/onto/irandoc/insp000801> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003075> ;
  skos:prefLabel "Railway electrification"@en, "برق‌رسانی راه‌آهن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp000801>
  skos:prefLabel "Traction"@en, "کشش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003073> .