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

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

<http://www.irandoc.acir/onto/irandoc/HLT000060>
  skos:prefLabel "Asbestos"@en, "پنبه نسوز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000064> .

<http://www.irandoc.acir/onto/irandoc/HLT000063>
  skos:prefLabel "Pesticide"@en, "آفت‌کش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000064> .

<http://www.irandoc.acir/onto/irandoc/HLT000061>
  skos:prefLabel "Carcinogenic substance"@en, "ماده سرطان‌زا"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000064> .

<http://www.irandoc.acir/onto/irandoc/HLT000064>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT000063>, <http://www.irandoc.acir/onto/irandoc/HLT000060>, <http://www.irandoc.acir/onto/irandoc/HLT000062>, <http://www.irandoc.acir/onto/irandoc/HLT000061> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000402>, <http://www.irandoc.acir/onto/irandoc/HLT000405> ;
  skos:prefLabel "Hazardous substance"@en, "ماده پرخطر"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> .

<http://www.irandoc.acir/onto/irandoc/HLT000402>
  skos:prefLabel "Industrial pollution"@en, "آلودگی صنعتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000064> .

<http://www.irandoc.acir/onto/irandoc/HLT000062>
  skos:prefLabel "Firework"@en, "وسیله آتش‌بازی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000064> .