Describir: Erection of steel building frames, prep. especially for home study

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