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

<http://www.irandoc.acir/onto/irandoc/HLT000778>
  skos:prefLabel "Radiation"@en, "تابش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000405> .

<http://www.irandoc.acir/onto/irandoc/HLT000405>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000064>, <http://www.irandoc.acir/onto/irandoc/HLT000773>, <http://www.irandoc.acir/onto/irandoc/HLT000760>, <http://www.irandoc.acir/onto/irandoc/HLT000778> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000408> ;
  skos:prefLabel "Radiation pollution"@en, "آلودگی پرتوی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/HLT000760>
  skos:prefLabel "Nuclear disaster"@en, "فاجعه هسته‌ای"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000405> .

<http://www.irandoc.acir/onto/irandoc/HLT000408>
  skos:prefLabel "Pollution"@en, "آلودگی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT000405> .

<http://www.irandoc.acir/onto/irandoc/HLT000064>
  skos:prefLabel "Hazardous substance"@en, "ماده پرخطر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000405> .

<http://www.irandoc.acir/onto/irandoc/HLT000773>
  skos:prefLabel "Radioactive waste"@en, "پسمانده پرتوزا"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000405> .