infrastructural systems

Home
top of the aat hierarchies
Objects Facet
Object Groupings and Systems (hierarchy name)
systems (equipment)
[systems by function]
infrastructural systems

Scope note: Networks or systems that support the public works of a country, state, or region.

BT [systems by function]

300155846

infrastructural systems

NT6 300008556 transit systems (infrastructure) [+~]
- NT7 railroads (infrastructure)
- NT7 public transit (infrastructure) [+~]
  - NT8 [public transit by form] [+~]
    - NT9 rail transit systems [+]
    - NT9 freewheeled transit systems [+]
    - NT9 aerial tramways
  - NT8 [public transit by location or context] [+~]
    - NT9 elevated railroads
    - NT9 commuter railroads
    - NT9 local transit
    - NT9 urban transit systems [+]
NT6 300008601 utilities (infrastructures) [+~]
- NT7 water supply systems [+~]
  - NT8 irrigation systems
  - NT8 water storage systems
- NT7 municipal lighting
- NT7 street lighting
- NT7 utilities components [+~]
  - NT8 water mains
  - NT8 utility poles [+~]
    - NT9 telephone poles
  - NT8 power lines
  - NT8 gas pipelines
  - NT8 oil pipelines [+~]
    - NT9 oil pipeline junctions
  - NT8 oil pumping stations
NT6 300008610 telecommunication systems [+~]
- NT7 police communication systems
- NT7 telephone systems [+~]
  - NT8 telephony
- NT7 telecommunication systems components [+~]
  - NT8 television receivers
  - NT8 radio receivers
  - NT8 telephones [+~]
    - NT9 cellular telephones
    - NT9 smartphones
    - NT9 feature phones
  - NT8 transceivers [+~]
    - NT9 walkie-talkies
  - NT8 antennas [+~]
    - NT9 [antennas by form] [+]
    - NT9 [antennas by function] [+]
  - NT8 field telephones
  - NT8 telephone wires
  - NT8 microphones [+~]
    - NT9 dynamic microphones
    - NT9 ribbon microphones
    - NT9 condenser microphones
    - NT9 lavaliers
    - NT9 hydrophones
  - NT8 telegraphs [+~]
    - NT9 engine-room telegraphs
  - NT8 liquid crystal displays
  - NT8 remote controls
  - NT8 [temporary alphabetical list: telecommunication systems components] [+~]
    - NT9 answering machines
    - NT9 antenna insulators
    - NT9 antenna lead cables
    - NT9 antenna rotors
    - NT9 antenna wires
    - NT9 cable connectors
    - NT9 cable converters
    - NT9 communication insulators
    - NT9 console radios
    - NT9 console televisions
    - NT9 cordless telephones
    - NT9 car radios
    - NT9 cb radios
    - NT9 coaxial cables
    - NT9 coherers
    - NT9 coin-operated telephones
    - NT9 color converters
    - NT9 crystal radios
    - NT9 descramblers
    - NT9 desk telephones
    - NT9 instructographs
    - NT9 grounding rods
    - NT9 headsets
    - NT9 magneto telephones
    - NT9 pagers
    - NT9 morse code instruction devices
    - NT9 natrometers
    - NT9 omnigraphs
    - NT9 remote servos
    - NT9 rooftop antennas
    - NT9 portable radios
    - NT9 portable televisions
    - NT9 radio antennas
    - NT9 radio frequency amplifiers
    - NT9 radio headsets
    - NT9 radio scanners
    - NT9 radio transmitters
    - NT9 radio tuners
    - NT9 radiophones
    - NT9 transistor radios
    - NT9 transmitters (telecommunication )
    - NT9 transponders
    - NT9 satellite dishes
    - NT9 satellite telephones
    - NT9 scramblers
    - NT9 set-top antennas
    - NT9 uhf converters
    - NT9 varioplexes
    - NT9 signal splitters
    - NT9 wall telephones
    - NT9 stock tickers
    - NT9 submarine cables
    - NT9 table radios
    - NT9 tdds
    - NT9 telecommunication accessories
    - NT9 telecommunication cables
    - NT9 telecommunication devices
    - NT9 telecommunication equipment cases
    - NT9 telecommunication media
    - NT9 telecommunication wire
    - NT9 telegraph keys
    - NT9 telegraph printers
    - NT9 telegraph sounders
    - NT9 telegraph wires
    - NT9 telegraph wire insulators
    - NT9 telemeters
    - NT9 telephone cables
    - NT9 telephone cases
    - NT9 telephone jacks
    - NT9 telephone line doublers
    - NT9 telephone switchboards
    - NT9 telephone wire insulators
    - NT9 teleprinters
    - NT9 teletypes
    - NT9 teletypewriters
    - NT9 television antennas
    - NT9 television converters
    - NT9 television transmitters
    - NT9 television tuners
    - NT9 ticker tape
    - NT9 ticker tape machines
  - NT8 fax machines
  - NT8 electronic filters
  - NT8 televisions (viewing devices)
- NT7 television (telecommunication system) [+~]
  - NT8 cable television
  - NT8 high-definition television
- NT7 radio (telecommunication system) [+~]
  - NT8 shortwave radio
- NT7 intranets
- NT7 wireless sensor networks
- NT7 telex
NT6 300008620 drainage systems
NT6 300265429 Internet [+~]
- NT7 World Wide Web [+~]
  - NT8 Web sites
  - NT8 Semantic Web

Català sistema infrastructural
Castellano sistemas infraestructurales

Date of creation: 01-Dec-2025

Accepted term: 01-Dec-2025