Describir: Timber its structure and properties

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