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

<http://www.irandoc.acir/onto/irandoc/NEMA0004020>
  skos:prefLabel "تجهیزات کنترل"@fa, "control equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004017> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004017>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004016>, <http://www.irandoc.acir/onto/irandoc/NEMA0004443> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004020> ;
  skos:prefLabel "تجهیزات کنترل دستی"@fa, "manual control equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004443>
  skos:prefLabel "مهندسی عوامل انسانی"@fa, "human factors engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004017> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004016>
  skos:prefLabel "تجهیزات کنترل خودکار"@fa, "automatic control equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004017> .