{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/306746973"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "These tanks need some sort of air make up system to continually replace tank air that mixed with the flow of water out of the tank.Air Pump Assist Backwash - The compressing of a volume of air in the filter effluent chamber (by means of an air compressor or by the water pressure from the recirculating pump) which, when released, rapidly decompresses and forces water in the filter chamber through t" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "simerpumps.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/129472286"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/306746973"] } } }
