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

<http://www.irandoc.acir/onto/irandoc/NEMA0008131>
  skos:prefLabel "تنش (مکانیک)"@fa, "stress (mechanics)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004061> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004062>
  skos:prefLabel "وسایل اندازه‌گیری"@fa, "measuring instruments"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004061> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004061>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008135>, <http://www.irandoc.acir/onto/irandoc/NEMA0008131> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004062> ;
  skos:prefLabel "وسایل کرنش‌سنج"@fa, "strain measuring instruments"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008135>
  skos:prefLabel "کشش (مکانیک)"@fa, "tension (mechanics)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004061> .