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

<http://www.irandoc.acir/onto/irandoc/EIT0011741>
  skos:prefLabel "زدودن مواد شیمیایی (تصفیه آب)"@fa, "chemicals removal (water treatment)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0013222> .

<http://www.irandoc.acir/onto/irandoc/EIT0013222>
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0011741> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0013225> ;
  skos:prefLabel "کنترل مزه (تصفیه آب)"@fa, "taste control (water treatment)"@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/EIT0013222> .