Types of bridges
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
The Benz Patent-Motorwagen is widely regarded as the first vehicle propelled by an...
The bicycling manual contains rules concerning the safety equipment of bicycles.
This animation demonstrates the equipment of a police patrol car.
A type of steam locomotives used by British Railways were manufactured in the 1950s.
The legendary M61 class locomotives of the Hungarian State Railways were called NOHAB.
The animation offers a summary of the history of aviation from the Middle Ages.
This animation demonstrates how elevators work.
The Jumbo Jet is one of the best known aircrafts.