infrastructural systems

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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
  - 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
  - NT8 telegraphs [+~]
    - NT9 engine-room telegraphs
  - NT8 liquid crystal displays
  - NT8 remote controls
  - NT8 [temporary alphabetical list: telecommunication systems components] [+~]
    - NT9 answering machine
    - NT9 antenna insulator
    - NT9 antenna lead cable
    - NT9 antenna rotor
    - NT9 antenna wire
    - NT9 cable connector
    - NT9 cable converter
    - NT9 communication insulator
    - NT9 console radio
    - NT9 console television
    - NT9 cordless telephone
    - NT9 car radio
    - NT9 cb radio
    - NT9 coaxial cable
    - NT9 coherer
    - NT9 coin-operated telephone
    - NT9 color converter
    - NT9 crystal radio
    - NT9 descrambler
    - NT9 desk telephone
    - NT9 instructograph
    - NT9 grounding rod
    - NT9 headset
    - NT9 magneto telephone
    - NT9 pager
    - NT9 morse code instruction device
    - NT9 natrometer
    - NT9 omnigraph
    - NT9 remote servo
    - NT9 rooftop antenna
    - NT9 portable radio
    - NT9 portable television
    - NT9 radio antenna
    - NT9 radio frequency amplifier
    - NT9 radio headset
    - NT9 radio scanner
    - NT9 radio transmitter
    - NT9 radio tuner
    - NT9 radiophone
    - NT9 transistor radio
    - NT9 transmitter (telecommunication system component)
    - NT9 transponder
    - NT9 satellite dish
    - NT9 satellite telephone
    - NT9 scrambler
    - NT9 set-top antenna
    - NT9 uhf converter
    - NT9 varioplex
    - NT9 signal splitter
    - NT9 wall telephone
    - NT9 stock ticker
    - NT9 submarine cable
    - NT9 table radio
    - NT9 tdd
    - NT9 telecommunication accessories
    - NT9 telecommunication cable
    - NT9 telecommunication devices
    - NT9 telecommunication equipment case
    - NT9 telecommunication media
    - NT9 telecommunication wire
    - NT9 telegraph key
    - NT9 telegraph printer
    - NT9 telegraph sounder
    - NT9 telegraph wire
    - NT9 telegraph wire insulator
    - NT9 telemeter
    - NT9 telephone cable
    - NT9 telephone case
    - NT9 telephone jack
    - NT9 telephone line doubler
    - NT9 telephone switchboard
    - NT9 telephone wire insulator
    - NT9 teleprinter
    - NT9 teletype
    - NT9 teletypewriter
    - NT9 television antenna
    - NT9 television converter
    - NT9 television transmitter
    - NT9 television tuner
    - NT9 ticker tape
    - NT9 ticker tape machines
  - NT8 fax machines
- 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: 29-Apr-2024

Accepted term: 29-Apr-2024