Describir: The design implications of adopting subsets from a larger set of steel beam and column sections

__    __    _____     ______     ___     _    _     _____     _  _     ______  
\ \\ / //  |  ___||  /_   _//   / _ \\  | \  / ||  |  ___||  | \| ||  /_   _// 
 \ \/ //   | ||__    `-| |,-   / //\ \\ |  \/  ||  | ||__    |  ' ||   -| ||-  
  \  //    | ||__      | ||   |  ___  ||| .  . ||  | ||__    | .  ||   _| ||_  
   \//     |_____||    |_||   |_||  |_|||_|\/|_||  |_____||  |_|\_||  /_____// 
    `      `-----`     `-`'   `-`   `-` `-`  `-`   `-----`   `-` -`   `-----`