{ "items" : [
    { "id" : "http://dbpedia.org/resource/Circulator_pump"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A circulator pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit. They are commonly found circulating water in a hydronic heating or cooling system."] } } }
