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

<http://www.irandoc.acir/onto/irandoc/insp000434>
  skos:prefLabel "Underground cable"@en, "بافه زیرزمینی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005308> .

<http://www.irandoc.acir/onto/irandoc/insp0005309>
  skos:prefLabel "Underground distribution system"@en, "سامانه توزیع زیرزمینی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0005308> .

<http://www.irandoc.acir/onto/irandoc/insp0005308>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000434> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0005309> ;
  skos:prefLabel "Underground residential distribution system"@en, "سامانه توزیع زیرزمینی مسکونی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .