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

<http://www.irandoc.acir/onto/irandoc/chmtr000059>
  skos:prefLabel "برش مایع"@fa, "liquid cut"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/chmtr000058> .

<http://www.irandoc.acir/onto/irandoc/chmtr000058>
  skos:related <http://www.irandoc.acir/onto/irandoc/chmtr000274> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000059> ;
  skos:prefLabel "نفت چراغ"@fa, "kerosine"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/chmtr000274>
  skos:prefLabel "كراكینگ"@fa, "cracking"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/chmtr000058> .