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

<http://www.irandoc.acir/onto/irandoc/insp0003952>
  skos:prefLabel "Machine tools"@en, "ماشین‌ابزار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0003939> .

<http://www.irandoc.acir/onto/irandoc/insp0003868>
  skos:prefLabel "Drilling"@en, "حفاری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003939> .

<http://www.irandoc.acir/onto/irandoc/insp0003939>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003931>, <http://www.irandoc.acir/onto/irandoc/insp0003868> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003952> ;
  skos:prefLabel "Drilling machine"@en, "ماشین‌آلات حفاری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0003931>
  skos:prefLabel "Construction equipment"@en, "تجهیزات ساخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003939> .