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    Dear Sir, I have more than 50 catchments in my model, i have the shape file having attributes for Population Density, Area. All the 50 catchments are contributing to 2 parallel trunk lines. The Area is divided into 4 zones - like East, West,North…
  • to degrade the sewergems

    I wa n t to degrade my sewergems to previous versio n ......plzzz tell me the process... Tha n k You.