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

<http://www.irandoc.acir/onto/irandoc/chmtr000132>
  skos:scopeNote "آب شهری طی مراحل ششگانه زیر تصفیه می‌شود"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000135> ;
  skos:prefLabel "تصفیه‌ آب شهری"@fa, "city water treatment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/chmtr000135>
  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/chmtr000132> .