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This animation demonstrates the equipment of a police patrol car.
We can travel on dual carriageways on the motorway.
The Jumbo Jet is one of the best known aircrafts.
This animation demonstrates the most important equipment of ambulance cars.
From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.
The German triplane was perhaps the best known plane in World War I.
A Zeppelin is a type of controllable, rigid airship.
Commercial maritime routes of container ships form a global network.