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

<http://www.irandoc.acir/onto/irandoc/NEMA0001915>
  skos:prefLabel "پل‌ها"@fa, "bridges"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0009385> .

<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:related <http://www.irandoc.acir/onto/irandoc/NEMA0009385> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009385>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001915>, <http://www.irandoc.acir/onto/irandoc/NEMA0006823> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0009390> ;
  skos:prefLabel "اتصالات انبساط"@fa, "expansion joints"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0009390>
  skos:prefLabel "اتصالات"@fa, "joints"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0009385> .