Describir: Surveying for building construction, prep. especially for home study

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