WHAT DOES CONSTRUCTION SOIL INVESTIGATION BD MEAN?

The Livingstone corer, formulated by D. A. Livingstone, is often a frequently utilised piston sampler. A modification in the Livingstone corer using a serrated coring head permits it to become rotated to chop as a result of subsurface vegetable make any difference such as compact roots or buried twigs.Electrical tomography can be employed to study