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

<http://www.irandoc.acir/onto/irandoc/INSP0008086>
  skos:prefLabel "مواد"@fa, "materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0007757> .

<http://www.irandoc.acir/onto/irandoc/INSP0007756>
  skos:prefLabel "ceramic"@en, "سرامیک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007757> .

<http://www.irandoc.acir/onto/irandoc/INSP0008005>
  skos:prefLabel "دیرگداز"@fa, "refractory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007757> .

<http://www.irandoc.acir/onto/irandoc/INSP0002780>
  skos:prefLabel "سنگ"@fa, "rock"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007757> .

<http://www.irandoc.acir/onto/irandoc/INSP0002274>
  skos:prefLabel "خاک"@fa, "soil"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007757> .

<http://www.irandoc.acir/onto/irandoc/INSP0007757>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0002274>, <http://www.irandoc.acir/onto/irandoc/INSP0008005>, <http://www.irandoc.acir/onto/irandoc/INSP0007756>, <http://www.irandoc.acir/onto/irandoc/INSP0002780> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0008086> ;
  skos:prefLabel "رس"@fa, "clay"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .