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We can travel on dual carriageways on the highway.
The German triplane was perhaps the best known plane in World War I.
The legendary M61 class locomotives of the Hungarian State Railways were manufactured by...
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
The English engineer George Stephenson’s locomotive was built for a competition of...
The fastest track-based means of urban transportation.
Oil tankers appeared in the late 19th century; today they are among the largest ships.
Lighthouses are used as an aid to navigation in coastal waters.