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

<http://www.irandoc.acir/onto/irandoc/INSP0009998>
  skos:prefLabel "صنعت فولاد"@fa, "steel industry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001679> .

<http://www.irandoc.acir/onto/irandoc/INSP0001700>
  skos:prefLabel "شیمی سطح"@fa, "surface chemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001679> .

<http://www.irandoc.acir/onto/irandoc/INSP0001679>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0009998>, <http://www.irandoc.acir/onto/irandoc/INSP0001700> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0001681> ;
  skos:prefLabel "قطعه‌شویی (فراوری مواد)"@fa, "pickling (materials processing)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0001681>
  skos:prefLabel "تمیزکاری سطح"@fa, "surface cleaning"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0001679> .