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Oil tankers appeared in the late 19th century; today they are among the largest ships.
This animation demonstrates how sonar works.
The small passenger aircraft is designed for speed, convenience and economical operation.
This animation demonstrates the most important equipment of ambulance cars.
The fastest track-based means of urban transport.
The highway code contains rules concerning the safety equipment of bicycles.
The changing bicycle, at first mocked as a toy, is a true mirror of the technical...
The most popular European-made transport aircraft before World War II.