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   _____     ___                 ___     __   __  
  / ___//   / _ \\      ___     / _ \\   \ \\/ // 
  \___ \\  / //\ \\    /   ||  | / \ ||   \   //  
  /    // |  ___  ||  | [] ||  | \_/ ||   / . \\  
 /____//  |_||  |_||   \__ ||   \___//   /_//\_\\ 
`-----`   `-`   `-`     -|_||   `---`    `-`  --` 
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Text this: Design of a timber roof truss