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

<http://www.irandoc.acir/onto/irandoc/CHMTR000379>
  skos:prefLabel "هوا"@fa, "air"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000377> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000038>
  skos:prefLabel "آلودگی هوا"@fa, "air pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000377> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000377>
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000038>, <http://www.irandoc.acir/onto/irandoc/CHMTR000244> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000379> ;
  skos:prefLabel "هوای پاكیزه"@fa, "clean air"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000244>
  skos:prefLabel "هوا کره"@fa, "atmosphere"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000377> .