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HMS Dreadnought revolutionised battleship-building in the 20th century.
The first paddle steamer in Hungary entered service in 1846.
This animation demonstrates the equipment of a police patrol car.
We can travel on dual carriageways on the motorway.
This animation demonstrates the most important equipment of ambulance cars.
Lighthouses are used as an aid to navigation in coastal waters.
The first supersonic passenger airliner entered service in 1976.
RMS Titanic was the largest passenger ship at the beginning of the 20th century