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

<http://www.irandoc.acir/onto/irandoc/INSP0015068>
  skos:prefLabel "فولاد"@fa, "steel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007744> .

<http://www.irandoc.acir/onto/irandoc/INSP0007744>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011028>, <http://www.irandoc.acir/onto/irandoc/INSP0015068>, <http://www.irandoc.acir/onto/irandoc/INSP0003541> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0007746> ;
  skos:prefLabel "میلگرد"@fa, "rebar"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0011028>
  skos:prefLabel "مهندسی سازه"@fa, "structural engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007744> .

<http://www.irandoc.acir/onto/irandoc/INSP0007746>
  skos:prefLabel "building materials"@en, "مصالح ساختمانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0007744> .

<http://www.irandoc.acir/onto/irandoc/INSP0003541>
  skos:prefLabel "بتن مسلح"@fa, "reinforced concrete"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007744> .