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Heavy lorries play an important role in transport.
HMS Dreadnought revolutionised battleship-building in the 20th century.
We can travel on dual carriageways on the motorway.
Commercial maritime routes of container ships form a global network.
The Tesla Model S is one of the first commercially available electric cars.
A Zeppelin is a type of rigid-framed airship.
Trolleybuses and trams are environment-friendly means of public transport
This animation demonstrates the most important equipment of ambulance cars.