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

<http://www.irandoc.acir/onto/irandoc/NEMA000440>
  skos:prefLabel "حمل‌ونقل"@fa, "transport"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000435> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001920>
  skos:prefLabel "خطوط لوله نفت"@fa, "petroleum pipelines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000435> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009158>
  skos:prefLabel "توزیع گاز"@fa, "gas distribution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000435> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001919>
  skos:prefLabel "خطوط لوله گاز"@fa, "gas pipelines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000435> .

<http://www.irandoc.acir/onto/irandoc/NEMA000435>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001919>, <http://www.irandoc.acir/onto/irandoc/NEMA0009158>, <http://www.irandoc.acir/onto/irandoc/NEMA0001920> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000440> ;
  skos:prefLabel "حمل‌ونقل لوله‌ای"@fa, "pipeline transport"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .