NOT KNOWN FACTS ABOUT SOIL INVESTIGATION COMPANIES BD

The driving fat is raised and dropped repeatedly to travel the sampler to the soil. When the desired depth is arrived at, the unit is removed from the soil, as well as the removable metal cylinder made up of the soil sample is taken out.Ini dilakukan untuk mengumpulkan sampel tanah untuk analisis rinci. Dalam metode ini, beberapa lubang yang digali