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Lighthouses are used as an aid to navigation in coastal waters.
Commercial maritime routes of container ships form a global network.
The German triplane was perhaps the best known plane in World War I.
This animation demonstrates how lifts work.
The Canadian helicopter is one of the most widely used helicopters in the world.
From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.
The first Hungarian-made locomotive powered directly from the national electricity...
We can travel on dual carriageways on the motorway.