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

<http://www.irandoc.acir/onto/irandoc/insp0010875>
  skos:prefLabel "Marine pollution"@en, "آلودگی دریایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010871> .

<http://www.irandoc.acir/onto/irandoc/insp0004756>
  skos:prefLabel "Oils"@en, "روغن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010871> .

<http://www.irandoc.acir/onto/irandoc/insp0010871>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010875>, <http://www.irandoc.acir/onto/irandoc/insp0004756>, <http://www.irandoc.acir/onto/irandoc/insp0011291>, <http://www.irandoc.acir/onto/irandoc/insp0012565> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0010880> ;
  skos:prefLabel "Oil pollution"@en, "آلودگی نفتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0011291>
  skos:prefLabel "Crude oil"@en, "روغن خام"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010871> .

<http://www.irandoc.acir/onto/irandoc/insp0012565>
  skos:prefLabel "Disasters"@en, "بلایا"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010871> .

<http://www.irandoc.acir/onto/irandoc/insp0010880>
  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/insp0010871> .