Keyphrases
Railroad
100%
Platypus
100%
Railway
90%
Railway Transport
45%
Steam Locomotive
45%
Wagon
27%
Rolling Stock
27%
Road Transport
18%
Freight
18%
Steam Engine
18%
New South Wales
18%
Monotreme
18%
Egg Laying
18%
Australia
18%
Pollution
9%
Eastern Australia
9%
Japan
9%
High-speed Railway System
9%
Train Station
9%
Funicular
9%
Underground Railway
9%
Water Transport
9%
CO2 Emission Reduction
9%
Switzerland
9%
Electrified Railway
9%
Industrial Revolution
9%
Capital-intensive
9%
Corinth
9%
Railway Vehicle
9%
Magnetic Levitation
9%
London Underground
9%
Diesel-electric Locomotive
9%
Railway Company
9%
Germany
9%
Monorail
9%
Electrification
9%
Locomotive
9%
19th Century
9%
Railway Line
9%
Ironworks
9%
Utilization Rate
9%
Canal
9%
Diesel Engine
9%
Tie-set
9%
Locomotion
9%
Transport System
9%
Electric Power
9%
Liverpool
9%
Rubber
9%
6th Century
9%
Railway Network
9%
National Market
9%
Global Warming
9%
Rail Transport System
9%
Concrete Foundation
9%
Intercity Railway
9%
Railway Timetable
9%
Fuel Prices
9%
Road Congestion
9%
United Kingdom
9%
Ground Transport
9%
Wheeled Vehicle
9%
Traffic Level
9%
Steel Rail
9%
Great Britain
9%
Flat Surface
9%
Diesel Locomotive
9%
Slab Track
9%
Metropolitan Railway
9%
16th Century
9%
Frictional Resistance
9%
Electric Locomotive
9%
Airplane
9%
Tramway
9%
Greece
9%
Sleeper
9%
Local Time
9%
Railway Systems
9%
Signaling System
9%
Environmental Concern
9%
Land Transport
9%
Rapid Transit Systems
9%
Darlington
9%
Low Traffic
9%
Cargo
9%
Greenwich Mean Time
9%
Technological Innovation
9%
Energy Efficiency
9%
World War II
9%
Road Vehicles
9%
Early 20th Century
9%
Group of People
9%
Endangered Species
9%
Evolutionary Biology
9%
EPBC Act
9%
Severe Pain
9%
Extinct Species
9%
Otter
9%
Venom
9%
Threatened Species
9%
Electrolocation
9%
Tasmania
9%
Echidna
9%
South Australia
9%
Venomous Mammal
9%
Giving Birth
9%
Captive Breeding Program
9%
Protected Species
9%
Aboriginal People
9%
Beaver
9%
Near Threatened Species
9%
National Features
9%
Semi-aquatic
9%
Hindfoot
9%
Duck
9%
Four Species
9%
Mascot
9%
Habitat Destruction
9%
Fossil Record
9%
Spur
9%
Ornithorhynchus Anatinus
9%
General Systems Theory
9%
Behavioral Choice
9%
Cognitive Processes
9%
View of Life
9%
Systems Theory
9%
Philosophy of Life
9%
Groupthink
9%
Cognitive Psychology
9%
Decision-making Process
9%
Decision Theory
9%
Inertia
9%
Rail Line
9%
Shipping Cost
9%
Major Towns
9%
Long-distance Trains
9%
Major Cities
9%
Railway Electrification System
9%
Laying Duck
9%
National Events
9%
Iconic Symbols
9%
Naturalists
9%
INIS
railways
100%
locomotives
42%
steam
33%
transport
28%
rail transport
23%
tracks
23%
people
19%
passengers
19%
cities
19%
vehicles
19%
trains
19%
animals
19%
mammals
19%
australia
14%
stocks
14%
rolling
14%
united kingdom
14%
eggs
14%
comparative evaluations
9%
engines
9%
underground
9%
humans
9%
levels
9%
freight
9%
road transport
9%
inventions
9%
roads
9%
prices
9%
power
9%
threatened species
9%
new south wales
9%
ducks
9%
pollution
4%
japan
4%
water
4%
speed
4%
surfaces
4%
competition
4%
rubbers
4%
rapid transit systems
4%
wheels
4%
energy efficiency
4%
metals
4%
ballasts
4%
monorails
4%
global warming
4%
operation
4%
men
4%
great britain
4%
capital
4%
diesel engines
4%
market
4%
steels
4%
cargo
4%
ships
4%
emission
4%
cost
4%
airplanes
4%
foundations
4%
germany
4%
variations
4%
fuels
4%
carbon dioxide
4%
switzerland
4%
land transport
4%
horses
4%
greece
4%
slabs
4%
electric power
4%
standardization
4%
range
4%
males
4%
habitat
4%
food
4%
france
4%
psychology
4%
birth
4%
endangered species
4%
breeding
4%
otters
4%
biology
4%
south australia
4%
pain
4%
venoms
4%
fossils
4%
tasmania
4%
tools
4%
decision making
4%
inertia
4%
incentives
4%
Agricultural and Biological Sciences
Platypus
100%
Wagons
27%
Threatened Species
18%
Steam Engines
18%
Duck
18%
Endangered Species
9%
Ornithorhynchus Anatinus
9%
Europeans
9%
Australians
9%
Sole
9%
Ornithorhynchidae
9%
Ornithorhynchus
9%
Biological Sciences
9%
Evolution
9%
Slabs
9%
Electric Power
9%
Sons
9%
Diesel Engine
9%
Foot
9%
Energy Efficiency
9%
Global Warming
9%
Otter
9%
Habitat Destruction
9%
Protected Species
9%
Decision Making
9%