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Buses play an important role in public transport.
Robert Fulton American engineer created the first operational steam-powered ship.
This animation demonstrates the construction of a fire engine.
We can travel on dual carriageways on the motorway.
The aircraft manufactured by the British de Haviland company was the world's first...
This animation demonstrates how sonar works.
The first Hungarian-made locomotive powered directly from the national electricity...
Trolleybuses and trams are environment-friendly means of public transport