Describir: Building code recommended by the National Board of Fire Underwriters

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