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

<http://www.irandoc.acir/onto/irandoc/EIT0006714>
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0011538>, <http://www.irandoc.acir/onto/irandoc/EIT0006717> ;
  skos:prefLabel "تونل راه‌آهن"@fa, "railroad tunnel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0006717>
  skos:prefLabel "کارخانه و ساختمان تجهیزات راه‌آهن"@fa, "railroad plant and structure"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0006714> .

<http://www.irandoc.acir/onto/irandoc/EIT0011538>
  skos:prefLabel "تونل وسیله نقلیه"@fa, "vehicular tunnel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0006714> .