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

<http://www.irandoc.acir/onto/irandoc/EIT0011406>
  skos:prefLabel "تلمبه‌زنی چاه نفت"@fa, "oil well pumping"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0011405> .

<http://www.irandoc.acir/onto/irandoc/EIT0011405>
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0011406> ;
  skos:prefLabel "تلمبه‌زنی برقی چاه نفت"@fa, "electric oil well pumping"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .