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This animation demonstrates how sonar works.
Robert Fulton American engineer created the first operational steam-powered ship.
Garbage trucks play an important role in the life of towns and cities.
The German engineer Otto Lilienthal was the first person to make successful flights with...
Oil tankers appeared in the late 19th century; today they are among the largest ships.
The range of applications of unmanned aerial vehicles ('drones') keeps growing.
The small passenger aircraft is designed for speed, convenience and economical operation.
The Tesla Model S is one of the first commercially available electric cars.