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

<http://www.irandoc.acir/onto/irandoc/EIT000649>
  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/EIT0013224> .

<http://www.irandoc.acir/onto/irandoc/EIT0013224>
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT000649> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0013225> ;
  skos:prefLabel "هوادهی آب"@fa, "water aeration"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0013225>
  skos:prefLabel "تصفیه آب"@fa, "water treatment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0013224> .