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

<http://www.irandoc.acir/onto/irandoc/CAB0004990>
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004996> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004145>, <http://www.irandoc.acir/onto/irandoc/CAB0053161>, <http://www.irandoc.acir/onto/irandoc/CAB0057688>, <http://www.irandoc.acir/onto/irandoc/CAB0053810> ;
  skos:prefLabel "water pollution"@en, "آلودگی آب"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004989> .

<http://www.irandoc.acir/onto/irandoc/CAB0004989>
  skos:prefLabel "آلودگی آب زیرزمینی"@fa, "groundwater pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004990> .

<http://www.irandoc.acir/onto/irandoc/CAB0004145>
  skos:prefLabel "خالص‌سازی آب"@fa, "water purification"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004990> .

<http://www.irandoc.acir/onto/irandoc/CAB0004996>
  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/CAB0004990> .

<http://www.irandoc.acir/onto/irandoc/CAB0053810>
  skos:prefLabel "آب"@fa, "water"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004990> .

<http://www.irandoc.acir/onto/irandoc/CAB0053161>
  skos:prefLabel "متیل‌جیوه"@fa, "methylmercury"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004990> .

<http://www.irandoc.acir/onto/irandoc/CAB0057688>
  skos:prefLabel "آب آلوده"@fa, "polluted water"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004990> .