{ "items" : [
    { "id" : "http://dbpedia.org/resource/Propellant"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object. Common propellants are energetic materials and consist of a fuel like gasoline, jet fuel, rocket fuel, and an oxidizer. Propellants are burned or otherwise decomposed to produce the propellant gas."] } } }
