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

<http://www.irandoc.acir/onto/irandoc/insp000969>
  skos:prefLabel "Hardness testing"@en, "آزمون سختی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007018> .

<http://www.irandoc.acir/onto/irandoc/insp0007026>
  skos:prefLabel "Fracture toughness"@en, "چغرمگی شکست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007018> .

<http://www.irandoc.acir/onto/irandoc/insp0007019>
  skos:prefLabel "Hardness"@en, "سختی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007018> .

<http://www.irandoc.acir/onto/irandoc/insp0007018>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007026>, <http://www.irandoc.acir/onto/irandoc/insp000969> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0007019> ;
  skos:prefLabel "Vickers hardness"@en, "سختی ویکرز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .