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

<http://www.irandoc.acir/onto/irandoc/insp0001661>
  skos:prefLabel "Sustainable development"@en, "توسعه پایدار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0008172>
  skos:prefLabel "Recycling"@en, "بازیافت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0008006>
  skos:prefLabel "Renewable materials"@en, "مواد تجدیدشدنی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0004806>
  skos:prefLabel "Polymer"@en, "بسپار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0007733>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004806>, <http://www.irandoc.acir/onto/irandoc/insp0008172>, <http://www.irandoc.acir/onto/irandoc/insp0001661>, <http://www.irandoc.acir/onto/irandoc/insp0008006>, <http://www.irandoc.acir/onto/irandoc/insp0004765>, <http://www.irandoc.acir/onto/irandoc/insp0007736>, <http://www.irandoc.acir/onto/irandoc/insp0010839> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:altLabel "فساد زیستی"@fa, "biodegradation"@en ;
  skos:prefLabel "Biodegradable materials"@en, "مواد زیست تجزیه‌پذیر"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0008086> .

<http://www.irandoc.acir/onto/irandoc/insp0004765>
  skos:prefLabel "پلاستیک"@fa, "Plastic"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0007736>
  skos:prefLabel "Biomedical materials"@en, "مواد زیست‌پزشکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0010839>
  skos:prefLabel "Environmental degradation"@en, "تخریب زیست‌محیطی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007733> .

<http://www.irandoc.acir/onto/irandoc/insp0008086>
  skos:prefLabel "Materials"@en, "مواد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007733> .