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

<http://www.irandoc.acir/onto/irandoc/insp0004028>
  skos:prefLabel "Production materials"@en, "مواد تولید"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015050> .

<http://www.irandoc.acir/onto/irandoc/insp0015050>
  skos:altLabel "شمش چدن"@fa, "" ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003788>, <http://www.irandoc.acir/onto/irandoc/insp0004028> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0015069> ;
  skos:prefLabel "Cast iron"@en, "چدن ریخته‌گری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<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/insp0015050> .

<http://www.irandoc.acir/onto/irandoc/insp0003788>
  skos:prefLabel "Casting"@en, "افزار ریختگی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015050> .