EVERYTHING ABOUT SOIL ANALYSIS LABORATORIES BANGLADESH

Widespread signs of dezincification consist of the presence of the white powdery deposit or mineral stains on the outer surface area of a valve, seepage of h2o in the walls of fittings, or leakage at valves.  We employed multistage sampling methods for this examine. You can find fourteen overall subdistricts (upazilas) during the Gaibandha and Jam