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

<http://www.irandoc.acir/onto/irandoc/insp0015077>
  skos:prefLabel "Nickel alloy"@en, "آلیاژ نیکل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015052> .

<http://www.irandoc.acir/onto/irandoc/insp0015052>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0015077>, <http://www.irandoc.acir/onto/irandoc/insp0015072>, <http://www.irandoc.acir/onto/irandoc/insp0015069> ;
  skos:prefLabel "Invar"@en, "اینوار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0015072>
  skos:prefLabel "Manganese alloy"@en, "آلیاژ منگنز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015052> .

<http://www.irandoc.acir/onto/irandoc/insp0015069>
  skos:prefLabel "Iron alloy"@en, "آلیاژ آهن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015052> .