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

<http://www.irandoc.acir/onto/irandoc/insp0011087>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000906>, <http://www.irandoc.acir/onto/irandoc/insp0012602> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011088> ;
  skos:prefLabel "Stirling engine"@en, "موتور استرلینگ"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp000906>
  skos:prefLabel "Thermodynamics"@en, "ترمودینامیک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011087> .

<http://www.irandoc.acir/onto/irandoc/insp0011088>
  skos:prefLabel "Heat engine"@en, "موتور گرمایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011087> .

<http://www.irandoc.acir/onto/irandoc/insp0012602>
  skos:prefLabel "Direct energy conversion"@en, "تبدیل مستقیم انرژی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011087> .