A model is a three-dimensional of a person/thing or of a proposed structure.
A mock up is a model or replica of a machine or structure, used for instructional or experimental purposes.
A prototype is a first or preliminary version of a device or vehicle from which other forms are developed.
Louis Sullivan Nicknamed "Father Of SkyScrapers" He was born on Boston 1856 and died 1924 in chicago
ITS NOT “SKY” ITS “WORLD” !!!! “Twinkle, twinkle, little star, How I wonder what you are! Up above the WORLD so high, Like a diamond in the sky. Twinkle, twinkle, little star, How I wonder what you are!”
