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Emergency exit

Emergency exit

An emergency exit in a structure is a special exit for emergencies such as a fire: the combined use of regular and special exits allows for fast…

Distraction

Distraction

A driver must concentrate on driving his vehicle. A driver is distracted when something pulls away his attention from the road, so he can focus …

Dead end

Dead end

A dead end, also known as a cul-de-sac, no through road or no exit road, is a street with only one inlet or outlet. Dead ends are created in urb…

Customs

Customs

Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, tran…

Crosswind

Crosswind

A crosswind is any wind that has a perpendicular component to the line or direction of travel. This affects the aerodynamics of many forms of tr…

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