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    { "id" : "http://dbpedia.org/resource/Gunpowder"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Gunpowder, also known as black powder, is a chemical explosive—the earliest known. It is a mixture of sulfur, charcoal, and potassium nitrate (saltpeter). The sulfur and charcoal act as fuels, and the saltpeter is an oxidizer.  Because of its burning properties and the amount of heat and gas volume that it generates, gunpowder has been widely used as a propellant in firearms and as a pyrotechnic composition in fireworks." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Black_Powder_Close_Up.jpg?width=300"] } } }
