@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/protective_equipment>
  skos:prefLabel "protective equipment"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/armored_vehicles> .

<https://concepts.sagepub.com/social-science/concept/armored_vehicles>
  skos:definition "The production of armored vehicles is a highly specialized industry that first appeared during World War I and reached its height in the United States during World War II. Armored vehicles—including tanks, personnel carriers, and tracked artillery pieces—are very expensive and time-consuming to manufacture. Most require large engines, armament, and tracked propulsion systems. [Source: <a href=\"https://sk.sagepub.com/reference/war/n21.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of War &amp; American Society; Armored Vehicles</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/war_and_technology>, <https://concepts.sagepub.com/social-science/concept/vehicles>, <https://concepts.sagepub.com/social-science/concept/protective_equipment> ;
  skos:prefLabel "armored vehicles"@en ;
  a skos:Concept .

<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/armored_vehicles> .

<https://concepts.sagepub.com/social-science/concept/war_and_technology>
  skos:prefLabel "war and technology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/armored_vehicles> .

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