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

<http://www.irandoc.acir/onto/irandoc/insp0003405>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0003404>, <http://www.irandoc.acir/onto/irandoc/insp0003402>, <http://www.irandoc.acir/onto/irandoc/insp0003401> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0008178>, <http://www.irandoc.acir/onto/irandoc/insp0013035> ;
  skos:prefLabel "Public utilities"@en, "تسهیلات عمومی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0003401>
  skos:prefLabel "Electricity supply industry"@en, "صنعت برق‌رسانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003405> .

<http://www.irandoc.acir/onto/irandoc/insp0013035>
  skos:prefLabel "Critical infrastructure"@en, "زیرساخت بحرانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003405> .

<http://www.irandoc.acir/onto/irandoc/insp0008178>
  skos:prefLabel "Sewage treatment"@en, "تصفیه فاضلاب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003405> .

<http://www.irandoc.acir/onto/irandoc/insp0003404>
  skos:prefLabel "Water supply"@en, "آب‌رسانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003405> .

<http://www.irandoc.acir/onto/irandoc/insp0003402>
  skos:prefLabel "Gas industry"@en, "صنعت گاز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003405> .