TOP LATEST FIVE GEOTECHNICAL TESTING LABS BD URBAN NEWS

Popular indications of dezincification contain the presence of the white powdery deposit or mineral stains about the outer surface area of the valve, seepage of h2o throughout the walls of fittings, or leakage at valves.  We used multistage sampling methods for this examine. There are actually 14 complete subdistricts (upazilas) while in the Gaiba