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

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