THE GEOTECHNICAL TESTING LABS BD DIARIES

Popular signs of dezincification contain the presence of the white powdery deposit or mineral stains about the outer surface area of a valve, seepage of h2o throughout the walls of fittings, or leakage at valves.  We used multistage sampling techniques for this examine. There are actually 14 overall subdistricts (upazilas) in the Gaibandha and Jam