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

<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:related <http://www.irandoc.acir/onto/irandoc/insp0008004> .

<http://www.irandoc.acir/onto/irandoc/insp0008004>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003575>, <http://www.irandoc.acir/onto/irandoc/insp0003542>, <http://www.irandoc.acir/onto/irandoc/insp0007746> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0008086> ;
  skos:prefLabel "Ready-mixed materials"@en, "مواد حاضر-مخلوط"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0003575>
  skos:prefLabel "Plasticiser"@en, "نرم‌ساز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0008004> .

<http://www.irandoc.acir/onto/irandoc/insp0003542>
  skos:prefLabel "Concrete"@en, "بتن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0008004> .

<http://www.irandoc.acir/onto/irandoc/insp0008086>
  skos:prefLabel "Materials"@en, "مواد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0008004> .