@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/carbon_dioxide>
  skos:prefLabel "carbon dioxide"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/hydrogen>
  skos:prefLabel "hydrogen"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/gaseous_fuels>
  skos:prefLabel "gaseous fuels"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/oxygen>
  skos:prefLabel "oxygen"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/nitrogen>
  skos:prefLabel "nitrogen"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/air>
  skos:prefLabel "air"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/fluids>
  skos:prefLabel "fluids"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/inert_gases>
  skos:prefLabel "inert gases"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/gases>
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/nitrogen>, <https://concepts.sagepub.com/social-science/concept/exhaust_gases>, <https://concepts.sagepub.com/social-science/concept/carbon_dioxide>, <https://concepts.sagepub.com/social-science/concept/hydrogen>, <https://concepts.sagepub.com/social-science/concept/greenhouse_gases>, <https://concepts.sagepub.com/social-science/concept/gaseous_fuels>, <https://concepts.sagepub.com/social-science/concept/oxygen>, <https://concepts.sagepub.com/social-science/concept/air>, <https://concepts.sagepub.com/social-science/concept/medical_gases>, <https://concepts.sagepub.com/social-science/concept/inert_gases> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/fluids> ;
  skos:prefLabel "gases"@en .

<https://concepts.sagepub.com/social-science/concept/medical_gases>
  skos:prefLabel "medical gases"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/greenhouse_gases>
  skos:prefLabel "greenhouse gases"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .

<https://concepts.sagepub.com/social-science/concept/exhaust_gases>
  skos:prefLabel "exhaust gases"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> .