A wind sock is a cone-shaped cloth tube that shows wind direction and relative speed. It is commonly used at airports to help pilots during takeoff and landing. When the wind blows, the sock extends outward in the direction the ...
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A wind sock is a cone-shaped cloth tube that shows wind direction and relative speed. It is commonly used at airports to help pilots during takeoff and landing. When the wind blows, the sock extends outward in the direction the ...