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

<http://www.irandoc.acir/onto/irandoc/CAB0003678>
  skos:prefLabel "گرماتاب‌ها"@fa, "radiators"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004163> .

<http://www.irandoc.acir/onto/irandoc/CAB0004237>
  skos:prefLabel "گرمایش"@fa, "heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004163> .

<http://www.irandoc.acir/onto/irandoc/CAB0002737>
  skos:prefLabel "جمع‌کن خورشیدی"@fa, "solar collectors"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004163> .

<http://www.irandoc.acir/onto/irandoc/CAB0004165>
  skos:prefLabel "کنترل محیطی"@fa, "environmental control"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004163> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004163> .

<http://www.irandoc.acir/onto/irandoc/CAB0003669>
  skos:prefLabel "گرم کننده‌ها"@fa, "heaters"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004163> .

<http://www.irandoc.acir/onto/irandoc/CAB0004163>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004237>, <http://www.irandoc.acir/onto/irandoc/CAB0003669>, <http://www.irandoc.acir/onto/irandoc/CAB0002737>, <http://www.irandoc.acir/onto/irandoc/CAB0004165>, <http://www.irandoc.acir/onto/irandoc/CAB0003678> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "heating systems"@en, "سیستم گرمایی"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004165> .