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This animation demonstrates the equipment of a police patrol car.
The double-decked, wide-bodied passenger aircraft can carry more then 500 passengers.
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
Oil tankers appeared in the late 19th century; today they are among the largest ships.
The Canadian helicopter is one of the most widely used helicopters in the world.
The first supersonic passenger airliner entered service in 1976.
This animation demonstrates the most important equipment of ambulance cars.
The highway code contains rules concerning the safety equipment of bicycles.