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

<http://www.irandoc.acir/onto/irandoc/insp0015068>
  skos:prefLabel "Steel"@en, "فولاد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015067> .

<http://www.irandoc.acir/onto/irandoc/insp0015067>
  skos:altLabel "high speed steel"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015054> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0015068> ;
  skos:prefLabel "Tool steel"@en, "فولادابزار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0015054>
  skos:prefLabel "Alloy steel"@en, "فولاد آلیاژی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015067> .