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

<http://www.irandoc.acir/onto/irandoc/NEMA0006823>
  skos:prefLabel "لوله‌ها"@fa, "pipes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006822> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007108>
  skos:prefLabel "کانال‌های آبیاری"@fa, "irrigation canals"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006822> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004726>
  skos:prefLabel "آبیاری"@fa, "irrigation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006822> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006822>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007108> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0006823>, <http://www.irandoc.acir/onto/irandoc/NEMA0004726> ;
  skos:prefLabel "لوله‌های آبیاری"@fa, "irrigation pipes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .