#infrastructure__base  the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"
  supertype:  fund__store__stock  a supply of something available for future use; "he brought back a large store of Cuban cigars"
  part:  communication_equipment__communicationequipment__communication_system__communicationsystem  facility consisting of the physical plants and equipment for disseminating information
     part:  boosters__booster_amplifier__boosteramplifier__booster_stations__relay_links__relaylink__relay_stations__relay_transmitters  an amplifier for restoring the strength of a transmitted signal
     part:  communications_satellite  an artificial satellite that relays signals back to earth; moves in a geostationary orbit
        part:  satellite_receiver__satellitereceiver  a receiver on a communications satellite
        part:  satellite_transmitter__satellitetransmitter  a transmitter on a communications satellite
     part:  radio_station__radiostation  station for the production and transmission of radio broadcasts
        part:  broadcasting_studio  a studio where broadcasts originate
     part:  set.electronic_equipment  any electronic equipment that receives or transmits radio or tv signals; "the early sets ran on storage batteries"
     part:  television_station__TV_station  station for the production and transmission of television broadcasts
        part:  broadcasting_studio  a studio where broadcasts originate
  part:  fire_station__firehouse  a station housing fire apparatus and firemen
  part:  gas_system__gassystem  facility (plant and equipment) for providing natural-gas service
     part:  gas_main__gasmain  a main that distributes gas
  part:  main  a principal pipe in a system that distributes water or gas or electricity or that collects sewage
  part:  penal_institution__penalinstitution__penal_facility__penalfacility  an institution where persons are confined for punishment and to protect the public
  part:  power_system__powersystem__power_grid__powergrid__grid  a system of high tension cables by which electrical power is distributed throughout a region
     part:  electric_main  a main that distributes electricity
     part:  power_line__powerline__power_cable__powercable  cable used to distribute electricity
     part:  power_station__powerstation__power_plant__powerplant__powerhouse  an electrical generating station
        part:  busbar__bus  an electrical conductor that makes a common connection between several circuits; "the busbar in this computer can transmit data either way between any two components of the system"
        part:  turbogenerator  generator consisting of a steam turbine coupled to an electric generator for the production of electric power
  part:  public_works  structures (such as highways or schools or bridges or docks) constructed at government expense for public use
  part:  school_system  establishment including the plant and equipment for providing education from kindergarten through high school
     part:  schoolhouse__school  a building where young people receive education; "the school was built in 1932"; "he walked to school every morning"
        part:  classroom__schoolroom  a room in a school where lessons take place
  part:  sewage_system__sewer_system__sewersystem__sewage_works  facility consisting of a system of sewers for carrying off liquid and solid sewage
     part:  sewerage__sewer__cloaca  a waste pipe that carries away sewage or surface water
     part:  sewer_main__sewermain__sewer_line__sewerline  a main in a sewage system
  part:  transportation_system__transportation__transit  facility consisting of the roads and equipment necessary for the movement of passengers or goods
     part:  airfield__landing_field__landingfield__flying_field__field  a place where planes take off and land
        part:  apron.paved_surface  a paved surface where aircraft stand while not being used
        part:  runway  a strip of level paved surface where planes can take off and land
        part:  taxiway__taxi_strip  a paved surface in the form of a strip; used by planes taxiing to or from the runway at an airport
        part:  flight_line  place where airplanes are parked and the maintenance hangars (but not the runways or taxiways)
     part:  bridge__span  a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
        part:  arch  (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
           part:  keystone__headstone  the central building block at the top of an arch or vault
           part:  springer__impost  the lowest stone in an arch -- from which it springs
           part:  voussoir  wedge-shaped stone building block used in constructing an arch or vault
        part:  pier  a support for two adjacent bridge spans
        part:  trestle  a supporting tower used to support a bridge
     part:  line.common_carrier  a commercial organization serving as a common carrier
     part:  public_transport  conveyance for passengers or mail or freight
     part:  depot__terminal__terminus  station where transport vehicles load or unload passengers or goods
     part:  way  any artifact consisting of a road or path affording passage from one place to another; "he said he was looking for the way out"
        part:  wayside__roadside  edge of a way or road or path: "flowers along the wayside"
  part:  water_supply__watersupply__water_system__watersystem__water  facility that provides a source of water; "the town debated the purification of the water supply"; "first you have to cut off the water"
     part:  artificial_lake__reservoir  lake used to store water for community use
     part:  water_main__watermain  main (a pipe or conduit) for conveying water

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