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

<http://www.irandoc.acir/onto/irandoc/NEMA0007602>
  skos:prefLabel "حفاظت انرژی"@fa, "energy conservation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004426> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004434>
  skos:prefLabel "گرمایش"@fa, "heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004426> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004426>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004431>, <http://www.irandoc.acir/onto/irandoc/NEMA0008144>, <http://www.irandoc.acir/onto/irandoc/NEMA0007602> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004434> ;
  skos:prefLabel "پمپ‌های گرمایی"@fa, "heat pumps"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008144>
  skos:prefLabel "انتقال گرما"@fa, "heat transfer"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004426> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004431>
  skos:prefLabel "گرمایش خورشیدی"@fa, "solar heating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004426> .