Wikipedia:Vital articles/Level/4/Technology

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Total 745 articles.

=Technology =

Technology: General

 * 1)  Technology (Level 1)

Basics

 * 1)  Agricultural science

Forms

 * 1)  Aquaculture
 * 2)  Beekeeping
 * 3)  Dairy
 * 4)  Extensive farming
 * 5)  Gardening
 * 6)  Intensive farming
 * 7)  Orchard
 * 8)  Organic farming
 * 9)  Sustainable agriculture
 * 10)  Subsistence agriculture
 * 11)  Urban agriculture

Buildings and infrastructure

 * 1)  Garden (Level 3)
 * 2)  Farm
 * 3)  Barn
 * 4)  Stable
 * 5)  Silo
 * 6)  Granary

Animal husbandry

 * 1)  Animal husbandry (Level 3)
 * 2)  Domestication (Level 3)
 * 3)  Selective breeding
 * 4)  Breed
 * 5)  Livestock
 * 6)  Hay

Basics

 * 1)  Agronomy
 * 2)  Horticulture
 * 3)  Plant breeding
 * 4)  Cultivar

Horticultural techniques

 * 1)  Fertilizer (Level 3)
 * 2)  Harvest
 * 3)  Irrigation
 * 4)  Pesticide
 * 5)  Tillage

Biotechnology

 * 1)  Biotechnology (Level 3)
 * 2)  Genetic engineering (Level 3)
 * 3)  Genetically modified organism
 * 4)  Cybernetics
 * 5)  Cloning
 * 6)  Gel electrophoresis
 * 7)  Polymerase chain reaction

Computing and information technology

 * For topics in theoretical computer science, see Mathematics: Discrete mathematics.

Basics

 * 1)  Computing
 * 2)  Information technology
 * 3)  Abacus
 * 4)  Calculator
 * 5)   Computer security
 * 6)  Malware
 * 7)  Data
 * 8)  Data communication

Computer science

 * 1)  Computer science (Level 3)
 * 2)  Artificial intelligence (Level 3)
 * 3)  Computer architecture
 * 4)  Computer simulation
 * 5)  Parallel computing
 * 6)  Pixel

Computer hardware

 * 1)  Computer hardware
 * 2)  Computer (Level 2)
 * 3)  Mobile device
 * 4)  Personal computer
 * 5)   Mac (computer)
 * 6)  Supercomputer
 * 7)  Booting
 * 8)   Central processing unit
 * 9)  ENIAC
 * 10)  iPhone

Computer software

 * 1)   Computer program
 * 2)  Database
 * 3)  Open-source software
 * 4)  Software
 * 5)  Spreadsheet
 * 6)  Web browser
 * 7)  Word processor

Operating systems

 * 1)  Operating system
 * 2)  Android
 * 3)   Linux
 * 4)   Microsoft Windows
 * 5)  MS-DOS
 * 6)  Unix

User interface

 * 1)  User interface
 * 2)  Keyboard technology
 * 3)  Computer monitor
 * 4)  Mouse (computing)
 * 5)  Touchscreen

Cryptography

 * 1)   Cryptography (Level 3)
 * 2)  Authentication
 * 3)  Encryption

Data storage

 * 1)  Computer file
 * 2)  File system
 * 3)  Barcode
 * 4)  Data storage
 * 5)  Hard disk drive
 * 6)  Magnetic tape
 * 7)  Memory card
 * 8)  Optical disc
 * 9)  Punched card
 * 10)  Random-access memory
 * 11)  Read-only memory

Networks

 * 1)  Computer network
 * 2)  Email
 * 3)  Ethernet
 * 4)  Router
 * 5)  Wi-Fi

Internet

 * 1)  Internet (Level 3)
 * 2)  HTML
 * 3)  HTTP
 * 4)  Internet protocol suite
 * 5)  Search engine
 * 6)  Website
 * 7)   World Wide Web

Programming

 * 1)  Computer programming
 * 2)  Character encoding
 * 3)  Compiler
 * 4)   Programming language
 * 5)  Assembly language
 * 6)   C
 * 7)   Java (programming language)
 * 8)  JavaScript
 * 9)  Programming paradigm
 * 10)   Functional programming
 * 11)  Structured programming
 * 12)  Object-oriented programming

Basics

 * 1)  Electronics (Level 3)
 * 2)  Consumer electronics
 * 3)  Sensor
 * 4)  Signal processing
 * 5)  Signal-to-noise ratio
 * 6)  Circuit design
 * 7)  Oscilloscope
 * 8)  Remote control

Components

 * 1)  Semiconductor device (Level 3)
 * 2)  Transistor
 * 3)  Diode
 * 4)  Light-emitting diode
 * 5)  Integrated circuit (Level 3)
 * 6)  Battery (Level 3)
 * 7)   Amplifier
 * 8)  Antenna
 * 9)  Capacitor
 * 10)  Cavity magnetron
 * 11)  Electrical connector
 * 12)  Filter
 * 13)  Inductor
 * 14)  Power supply
 * 15)  Printed circuit board
 * 16)  Resistor
 * 17)  Switch
 * 18)  Circuit breaker
 * 19)  Fuse
 * 20)  Relay
 * 21)   Transformer
 * 22)  Vacuum tube
 * 23)  Waveguide
 * 24)  Wire

Basics

 * 1)  Engineering (Level 2)
 * 2)  Nanotechnology
 * 3)  Nuclear technology
 * 4)  Technical drawing

Disciplines

 * 1)  Civil engineering (Level 3)
 * 2)  Architectural engineering
 * 3)  Mechanical engineering (Level 3)
 * 4)  Aerospace engineering
 * 5)  Automotive engineering
 * 6)  Biomedical engineering
 * 7)  Chemical engineering
 * 8)   Electrical engineering
 * 9)  Industrial engineering
 * 10)  Military engineering
 * 11)  Software engineering

Industry
See also: "Industry" in Business and economics

Basics

 * 1)  Factory
 * 2)  Assembly line
 * 3)  Automation
 * 4)  Industrial robot
 * 5)  Interchangeable parts
 * 6)  Mass production
 * 7)  Mechanization
 * 8)  Standardization
 * 9)  Waste
 * 10)  Landfill
 * 11)  Recycling
 * 12)  Waste management

Energy and fuel

 * 1)  Fire (Level 2)
 * 2)  Candle
 * 3)  Fuel
 * 4)  Biofuel
 * 5)  Charcoal
 * 6)  Fossil fuel (Level 3)
 * 7)  Coal (Level 3)
 * 8)  Natural gas (Level 3)
 * 9)  Petroleum (Level 3)
 * 10)  Gasoline
 * 11)  Kerosene
 * 12)  Oil refinery
 * 13)  Oil well
 * 14)  Nuclear power (Level 3)
 * 15)  Renewable energy (Level 3)
 * 16)  Geothermal power
 * 17)  Hydropower (Level 3)
 * 18)  Hydroelectricity
 * 19)  Watermill
 * 20)   Solar energy (Level 3)
 * 21)   Solar power
 * 22)   Solar cell
 * 23)   Wind power (Level 3)
 * 24)   Windmill

Electricity generation and distribution
See also: Electromagnetism and Electromagnetism


 * 1)  Electric light (Level 3)
 * 2)  Incandescent light bulb
 * 3)  Electric power transmission
 * 4)  Electric power distribution
 * 5)  Electrical grid
 * 6)  Electric generator
 * 7)  Electricity generation
 * 8)  Electrification
 * 9)  Power station
 * 10)  Turbine
 * 11)  Gas turbine
 * 12)  Steam turbine
 * 13)  Wind turbine
 * 14)  Cooling tower

Food, water and health

 * 1)  Bleach
 * 2)  Desalination
 * 3)  Detergent
 * 4)  Laundry
 * 5)  Pasteurization
 * 6)  Refrigeration (Level 3)
 * 7)  Sanitation (Level 3)
 * 8)  Sanitary sewer
 * 9)  Sewage treatment
 * 10)  Water purification
 * 11)  Soap
 * 12)  Water supply network
 * 13)  Aqueduct
 * 14)  Plumbing
 * 15)  Qanat
 * 16)  Pumping station
 * 17)  Water tower
 * 18)  Well

Material and chemical

 * 1)  Abrasive
 * 2)  Adhesive
 * 3)  Ceramic
 * 4)  Chemical plant
 * 5)  Composite material
 * 6)  Explosive (Level 3)
 * 7)  Dynamite
 * 8)  Fireworks
 * 9)   Glass (Level 3)
 * 10)  Natural rubber (Level 3)
 * 11)  Paper (Level 3)
 * 12)  Parchment
 * 13)  Papyrus
 * 14)  Petrochemical
 * 15)  Plastic (Level 3)
 * 16)  Pottery (Level 3)
 * 17)  Porcelain
 * 18)   Wood (Level 3)
 * 19)  Woodworking
 * 20)  Carpentry

Metallurgy

 * 1)  Metallurgy (Level 3)
 * 2)  Smelting
 * 3)  Metalworking
 * 4)  Die casting
 * 5)  Extrusion
 * 6)  Forging
 * 7)  Heat treating
 * 8)  Laser cutting
 * 9)  Rolling
 * 10)  Soldering
 * 11)  Steelmaking
 * 12)  Welding

Infrastructure
See also Arts: Architecture

Basics

 * 1)  Infrastructure (Level 3)
 * 2)  Building (Level 3)

Building materials

 * 1)  Concrete (Level 3)
 * 2)  Masonry (Level 3)
 * 3)  Brick
 * 4)  Quarry
 * 5)  Cement
 * 6)  Lumber
 * 7)  Scaffolding

Architectural elements

 * 1)  Arch
 * 2)  Ceiling
 * 3)  Column
 * 4)  Dome
 * 5)  Door
 * 6)  Elevator
 * 7)  Façade
 * 8)  Floor
 * 9)  Foundation
 * 10)  Ladder
 * 11)  Lighting
 * 12)  Roof
 * 13)  Room
 * 14)  Stairs
 * 15)  Wall
 * 16)  Window

Coastal infrastructure

 * 1)  Dock
 * 2)  Harbor
 * 3)  Lighthouse
 * 4)  Pier
 * 5)  Port

Ceremonial buildings

 * 1)  Pagoda
 * 2)  Pyramid

Commercial buildings

 * 1)  Office
 * 2)  Warehouse

Mixed-use buildings

 * 1)  Tower
 * 2)  Tower block
 * 3)  Skyscraper

Residential and housing units

 * 1)  Home (Level 2)
 * 2)  House
 * 3)  Apartment
 * 4)  Hut
 * 5)  Igloo
 * 6)  Palace
 * 7)  Tent
 * 8)  Villa
 * 9)  Hotel

Rooms and spaces

 * 1)  Bathroom
 * 2)  Bedroom
 * 3)  Garage
 * 4)   Kitchen
 * 5)  Sauna

Other components

 * 1)  Electrical wiring
 * 2)  Heating, ventilation, and air conditioning

Hydraulic infrastructure

 * 1)  Dam (Level 3)
 * 2)  Aswan Dam
 * 3)  Hoover Dam
 * 4)  Itaipu Dam
 * 5)  Three Gorges Dam
 * 6)  Drainage
 * 7)  Flood control
 * 8)  Flood control in the Netherlands
 * 9)  Levee
 * 10)  Reservoir

Transport infrastructure

 * 1)  Bridge (Level 3)
 * 2)  Akashi Kaikyo Bridge
 * 3)  Brooklyn Bridge
 * 4)  Golden Gate Bridge
 * 5)  Tower Bridge
 * 6)  Tunnel
 * 7)  Channel Tunnel

Basics

 * 1)  Machine
 * 2)  Crane (machine)
 * 3)  Engine (Level 3)
 * 4)  Electric motor (Level 3)
 * 5)  Internal combustion engine (Level 3)
 * 6)  Diesel engine
 * 7)  Four-stroke engine
 * 8)   Jet engine
 * 9)  Steam engine (Level 3)
 * 10)  Robotics (Level 3)
 * 11)   Robot
 * 12)  Simple machine (Level 3)
 * 13)  Inclined plane
 * 14)  Lever
 * 15)  Pulley
 * 16)  Screw mechanism
 * 17)  Wedge
 * 18)  Wheel (Level 3)
 * 19)  Wheel and axle
 * 20)  Siphon
 * 21)   System

Components

 * 1)  Axle
 * 2)  Bearing
 * 3)  Clutch
 * 4)  Gear
 * 5)  Electrical cable
 * 6)  Chain
 * 7)  Rope
 * 8)  Fastener
 * 9)  Knot
 * 10)  Nail (fastener)
 * 11)  Nut (hardware)
 * 12)  Rivet
 * 13)  Washer
 * 14)  Lock and key
 * 15)  Pipe
 * 16)  Gasket
 * 17)  Valve
 * 18)  Spring (device)

Tools: General

 * 1)  Tool (Level 2)
 * 2)  Container

Measuring instruments

 * 1)  Instrumentation
 * 2)  Barometer
 * 3)  Calipers
 * 4)  Photometer
 * 5)  Ruler
 * 6)  Spectrometer
 * 7)  Thermometer

Artist's tools

 * 1)  Ink
 * 2)  Modelling clay
 * 3)  Paint
 * 4)  Brush
 * 5)  Pastel
 * 6)  Pencil
 * 7)   Pigment
 * 8)  Pen

Hand tools

 * 1)  Axe
 * 2)  Chisel
 * 3)  Clamp
 * 4)  Drilling
 * 5)  Hammer
 * 6)  Plane (tool)
 * 7)  Saw
 * 8)  Scissors

Agricultural tools

 * 1)  Archimedes' screw
 * 2)  Harrow (tool)
 * 3)  Hoe (tool)
 * 4)  Machete
 * 5)  Plough
 * 6)  Rake (tool)
 * 7)  Sickle
 * 8)  Shovel
 * 9)  Wheelbarrow

Farm and garden machinery

 * 1)  Chainsaw
 * 2)  Combine harvester
 * 3)  Cotton gin
 * 4)  Cultivator
 * 5)  Irrigation sprinkler
 * 6)  Lawn mower

Household appliances

 * 1)  Home appliance
 * 2)  Air conditioning
 * 3)  Clothes dryer
 * 4)  Dishwasher
 * 5)  Furnace (central heating)
 * 6)  Ironing
 * 7)  Microwave oven
 * 8)  Oven (Level 3)
 * 9)  Refrigerator
 * 10)  Sewing machine
 * 11)  Sink
 * 12)  Stove
 * 13)  Toilet
 * 14)  Vacuum cleaner
 * 15)  Washing machine

Industrial machinery

 * 1)  Centrifuge
 * 2)  Lathe
 * 3)  Loom
 * 4)  Machine press
 * 5)  Potter's wheel

Media and communication
See also Arts: Literature; Society: Mass media; and Technology: Computing and information technology


 * 1)  Broadcasting (Level 3)
 * 2)  Cathode-ray tube
 * 3)  Communications satellite
 * 4)  Flat-panel display
 * 5)  Liquid-crystal display
 * 6)  Image
 * 7)  Image scanner
 * 8)   Mail (Level 3)
 * 9)  Courier
 * 10)  Postage stamp
 * 11)  Mobile phone (Level 3)
 * 12)  Smartphone
 * 13)  Printing (Level 3)
 * 14)  Book (Level 2)
 * 15)  Photocopier
 * 16)  Printer
 * 17)  Printing press
 * 18)  Radio (Level 3)
 * 19)  Amateur radio
 * 20)  Radio broadcasting
 * 21)  Social media
 * 22)  Sound recording and reproduction
 * 23)  Loudspeaker
 * 24)  Microphone
 * 25)   Speech synthesis
 * 26)   Telecommunications (Level 3)
 * 27)  Modulation
 * 28)  Telegraphy
 * 29)  Telephone (Level 3)
 * 30)   Television (Level 3)
 * 31)  Cable television
 * 32)  Satellite television
 * 33)  Text messaging
 * 34)   Typewriter
 * 35)  Video
 * 36)  Video camera

Devices

 * 1)  Artificial organ
 * 2)  Prosthesis
 * 3)  Stethoscope
 * 4)  Wheelchair

Equipment

 * 1)  Bandage
 * 2)  Syringe

Techniques

 * 1)  Cardiopulmonary bypass
 * 2)  Dialysis (chemistry)

Diagnostic technologies

 * 1)  DNA profiling
 * 2)  Electrocardiography
 * 3)  Endoscopy

Transport

 * 1)   Ambulance

Imaging

 * 1)  Medical imaging (Level 3)
 * 2)  Magnetic resonance imaging
 * 3)  Medical ultrasonography
 * 4)  Radiography

Military technology: General

 * 1)  Weapon (Level 3)
 * 2)   Tank
 * 3)  Military technology
 * 4)   Horses in warfare
 * 5)  Chariot
 * 6)  Stealth technology
 * 7)   War elephant

Ammunition

 * 1)  Ammunition
 * 2)  Gunpowder (Level 3)

Armour

 * 1)  Armour (Level 3)
 * 2)  Bulletproof vest
 * 3)  Helmet
 * 4)  Chain mail
 * 5)  Plate armour
 * 6)  Shield

Explosive weapons

 * 1)  Bomb (Level 3)
 * 2)  Cluster munition
 * 3)  Improvised explosive device
 * 4)  Grenade
 * 5)  Land mine
 * 6)  Missile

Fortification

 * 1)  Fortification (Level 3)
 * 2)  Castle
 * 3)  Defensive wall

Incendiary weapons

 * 1)  Napalm

Melee weapons

 * 1)  Knife (Level 3)
 * 2)  Dagger
 * 3)  Sword
 * 4)  Katana
 * 5)  Rapier
 * 6)  Battle axe
 * 7)  Bayonet
 * 8)  Club (weapon)
 * 9)  Spear

Military aviation

 * 1)  Military aircraft
 * 2)  Attack aircraft
 * 3)  Bomber
 * 4)  Fighter aircraft

Naval warfare

 * 1)   Aircraft carrier
 * 2)  Battleship
 * 3)  Galley
 * 4)  Naval mine
 * 5)  Ship of the line
 * 6)   Submarine
 * 7)  Torpedo
 * 8)  Warship

Projectile weapons

 * 1)  Boomerang
 * 2)  Bow and arrow (Level 3)
 * 3)   Crossbow
 * 4)  Firearm (Level 3)
 * 5)  Rifle
 * 6)  Assault rifle
 * 7)  Handgun
 * 8)  Machine gun
 * 9)  Musket
 * 10)  Shotgun
 * 11)  Sling

Artillery and siege

 * 1)  Artillery
 * 2)  Ballista
 * 3)  Battering ram
 * 4)  Cannon
 * 5)  Catapult
 * 6)  Mortar

Weapons of mass destruction

 * 1)  Weapon of mass destruction
 * 2)  Biological warfare
 * 3)  Chemical weapon
 * 4)   Nuclear weapon
 * 5)  Thermonuclear weapon

Navigation and timekeeping
For units of time (hour, day, etc.), see Physical sciences – Measurement.

Timekeeping

 * 1)  Calendar (Level 3)
 * 2)  Chinese calendar
 * 3)  Gregorian calendar
 * 4)  Islamic calendar
 * 5)  Julian calendar
 * 6)  Leap year
 * 7)  Coordinated Universal Time
 * 8)  Clock (Level 3)
 * 9)  Watch
 * 10)  Atomic clock
 * 11)  Pendulum
 * 12)  Sundial
 * 13)  Time zone
 * 14)   Daylight saving time

Navigation
See the Cartography section under Geography for Map.
 * 1)  Navigation (Level 3)
 * 2)  Compass (Level 3)
 * 3)  Cardinal direction
 * 4)  Celestial navigation
 * 5)  Sextant
 * 6)  Dead reckoning
 * 7)  Gyroscope
 * 8)  Satellite navigation
 * 9)  Global Positioning System
 * 10)   Radar (Level 3)
 * 11)  Sonar

Basics

 * 1)  Laser (Level 3)
 * 2)  Holography
 * 3)   Optical fiber

Optics

 * 1)  Lens (Level 3)
 * 2)  Anti-reflective coating
 * 3)  Diffraction grating
 * 4)  Mirror
 * 5)  Polarizer
 * 6)  Prism (optics)

Optical instruments

 * 1)  Microscope (Level 3)
 * 2)  Electron microscope
 * 3)  Optical microscope
 * 4)  Telescope (Level 3)
 * 5)  Optical telescope
 * 6)  Radio telescope
 * 7)  Theodolite
 * 8)  Camera (Level 3)
 * 9)  Photography (Level 3)
 * 10)  Digital photography
 * 11)  Fine-art photography
 * 12)  Photographic film
 * 13)   Glasses
 * 14)  Binoculars
 * 15)  Charge-coupled device
 * 16)  Interferometry

Basics

 * 1)  Space exploration (Level 3)
 * 2)  Exploration of Mars
 * 3)  Spaceflight (Level 3)
 * 4)  Spacecraft
 * 5)  Rocket (Level 3)
 * 6)  Launch pad
 * 7)  Launch vehicle
 * 8)  Rocket engine
 * 9)  Satellite (Level 3)
 * 10)  Space station (Level 3)
 * 11)  Astronaut

Programs and launch sites

 * 1)   NASA
 * 2)  Apollo program
 * 3)  Kennedy Space Center
 * 4)  Voyager program
 * 5)  Soviet space program
 * 6)  Baikonur Cosmodrome
 * 7)  Roscosmos
 * 8)  European Space Agency
 * 9)  China National Space Administration

Crewed spacecraft

 * 1)   International Space Station
 * 2)   Mir
 * 3)  Space Shuttle
 * 4)   Saturn V
 * 5)  Soyuz (spacecraft)

Uncrewed spacecraft

 * 1)  Hubble Space Telescope
 * 2)  Sputnik 1

Ground-based observatories

 * 1)  Atacama Large Millimeter Array
 * 2)  Mauna Kea Observatories

Fabrics and fibers

 * 1)  Textile (Level 3)
 * 2)  Canvas
 * 3)  Cotton (Level 3)
 * 4)  Felt
 * 5)  Fiber
 * 6)  Jute
 * 7)  Lace
 * 8)  Leather
 * 9)  Linen
 * 10)  Silk
 * 11)  Thread
 * 12)  Wool
 * 13)  Yarn

Techniques

 * 1)  Basket weaving
 * 2)  Crochet
 * 3)  Dyeing
 * 4)  Dye
 * 5)  Embroidery
 * 6)  Hand spinning
 * 7)  Knitting
 * 8)  Quilting
 * 9)  Sewing
 * 10)  Tapestry
 * 11)  Weaving

Basics

 * 1)  Transport (Level 2)
 * 2)  Public transport
 * 3)  Travel
 * 4)  Freight transport
 * 5)  Cargo
 * 6)  Passport
 * 7)  Vehicle

Road transport

 * 1)   Road transport
 * 2)  Road (Level 3)
 * 3)  Highway
 * 4)  Controlled-access highway
 * 5)  Trail
 * 6)  Car (Level 3)
 * 7)   Bicycle (Level 3)
 * 8)  Cycling
 * 9)  Bus
 * 10)  Motorcycle
 * 11)  Rickshaw
 * 12)  Truck
 * 13)  Taxi
 * 14)  Van
 * 15)  Driving
 * 16)  Parking
 * 17)  Tire
 * 18)   Filling station
 * 19)  Traffic collision

Animal-powered transport

 * 1)  Carriage
 * 2)  Cart
 * 3)  Saddle

Trains

 * 1)   Train (Level 3)
 * 2)  Locomotive
 * 3)  Steam locomotive
 * 4)  Train station
 * 5)  Rail transport
 * 6)  Railway track
 * 7)   Rapid transit
 * 8)   London Underground
 * 9)  New York City Subway
 * 10)  High-speed rail
 * 11)  Shinkansen
 * 12)  Monorail
 * 13)  Tram
 * 14)   Trans-Siberian Railway

Aviation

 * 1)  Aircraft (Level 3)
 * 2)  Aviation
 * 3)  Air traffic control
 * 4)  Aircraft engine
 * 5)  Airline
 * 6)  Airplane
 * 7)  Airport
 * 8)   Airship
 * 9)  Balloon (aeronautics)
 * 10)   Hot air balloon
 * 11)  Fixed-wing aircraft
 * 12)  Glider
 * 13)  Helicopter
 * 14)  Jet aircraft
 * 15)  Parachute
 * 16)  Unmanned aerial vehicle
 * 17)  Wing

Maritime transport

 * 1)  Maritime transport
 * 2)  Ship (Level 3)
 * 3)  Canal (Level 3)
 * 4)  Lock (water navigation)
 * 5)  Barge
 * 6)  Boat
 * 7)  Canoe
 * 8)  Cargo ship
 * 9)  Ferry
 * 10)  Fishing vessel
 * 11)  Hovercraft
 * 12)  Merchant ship
 * 13)  Passenger ship
 * 14)  Riverboat
 * 15)  Sailing
 * 16)  Sail
 * 17)  Sailing ship
 * 18)  Shipbuilding
 * 19)  Steamboat
 * 20)  Tanker

Other

 * 1)  Cable transport
 * 2)  Aerial tramway
 * 3)  Baby transport
 * 4)  Pipeline
 * 5)  Tractor