This book deals with the fundamental principles of providing us with the appropriate use of a pressure measurement; where shows the right way to a test pressure and reduce the data and how to use them in the design. Have been preparing a video for thirty minutes to cover these three topics (1989 Brlauc,). The test includes a measure of pressure in the tube into the soil and the expansion of the tube plate Gdt soil horizontally. This book consists of sixteen and ends with a chapter bibliography terminology and the Scouts topics.