In advance of and just after use, you should retain the probe clean up and dry, and don't go away it from the soil for a long time five. When applying, insert two/three in the depth, that's also shallow to measure, and do not use brute force as it https://soilinvestigationsolution09876.fare-blog.com/29889543/not-known-details-about-geotechnical-soil-investigation-bangladesh