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

<http://www.irandoc.acir/onto/irandoc/NEMA0008645>
  skos:prefLabel "تنگستن"@fa, "tungsten"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008698>
  skos:prefLabel "نیوبیم"@fa, "niobium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008606>
  skos:prefLabel "ایریدیم"@fa, "iridium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008165>
  skos:prefLabel "مواد مقاوم در برابر حرارت"@fa, "heat resistant materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008643>
  skos:prefLabel "تانتال"@fa, "tantalum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008648>
  skos:prefLabel "رنیم"@fa, "rhenium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008604>
  skos:prefLabel "اسمیم"@fa, "osmium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008821>
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008648>, <http://www.irandoc.acir/onto/irandoc/NEMA0008604>, <http://www.irandoc.acir/onto/irandoc/NEMA0008165>, <http://www.irandoc.acir/onto/irandoc/NEMA0008698>, <http://www.irandoc.acir/onto/irandoc/NEMA0008643>, <http://www.irandoc.acir/onto/irandoc/NEMA0008645>, <http://www.irandoc.acir/onto/irandoc/NEMA0008606>, <http://www.irandoc.acir/onto/irandoc/NEMA0008695> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008822>, <http://www.irandoc.acir/onto/irandoc/NEMA0008701> ;
  skos:prefLabel "فلزات دیرگداز"@fa, "refractory metals"@en .

<http://www.irandoc.acir/onto/irandoc/NEMA0008701>
  skos:prefLabel "فلزات"@fa, "metals"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008695>
  skos:prefLabel "مولیبدن"@fa, "molybdenum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008822>
  skos:prefLabel "مواد نسوز"@fa, "refractory materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008821> .