streamlinings
Streamlinings are modifications made to the exterior of a vehicle, most commonly an automobile or aircraft, to reduce aerodynamic drag. The term "streamlining" itself refers to the process of shaping an object to move more easily through a fluid, such as air or water. Historically, streamlining became a significant design consideration in the early 20th century as engineers sought to improve fuel efficiency and increase speed.
Early examples of streamlined design can be seen in trains and boats, where the aim was to