@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/insp0007760> .

<http://www.irandoc.acir/onto/irandoc/insp0015114>
  skos:prefLabel "Aggregation"@en, "انبوهش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007760> .

<http://www.irandoc.acir/onto/irandoc/insp0007927>
  skos:prefLabel "Nanostructured materials"@en, "مواد نانوساختار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007760> .

<http://www.irandoc.acir/onto/irandoc/insp0007789>
  skos:prefLabel "Composite materials"@en, "مواد مختلط"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007760> .

<http://www.irandoc.acir/onto/irandoc/insp0007760>
  skos:altLabel "stone (materials)"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015114>, <http://www.irandoc.acir/onto/irandoc/insp0007746>, <http://www.irandoc.acir/onto/irandoc/insp0007927> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0007789> ;
  skos:prefLabel "Aggregates (materials)"@en, "متراکم (مواد)"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .