Peerless Engineering knows that vacuum extraction is a technique of material extraction that relies on suction as opposed to heavy machinery. To loosen up the material ready for removal, water o air is sprayed on to it and an enormous vacuum system is utilized to clear away the extricated material. This procedure is generally used when either the workmen need protection from something in the land o something in the land requires protection from heavy machinery. Edwards vacuum pompa are well-suited for making small, deep holes, a method called potholing. The vacuum removal method is actually...