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The changing bicycle, at first mocked as a toy, is a true mirror of the technical...
Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his...
Lighthouses are used as an aid to navigation in coastal waters.
The aircraft manufactured by the British de Haviland company was the world's first...
This animation demonstrates the construction of motorcycles.
Bin lorries play an important role in the life of towns and cities.
The Jumbo Jet is one of the best known aircrafts.
Trolleybuses and trams are environment-friendly means of public transport