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This animation demonstrates how sonar works.
Formula 1 is the highest class and most popular type of motor racing.
This animation demonstrates the construction of a fire engine.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its...
The fastest track-based means of urban transport.
The popular model of the American automobile factory was the first mass-produced car in...
The Jumbo Jet is one of the best known aircrafts.
From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.