. cultivators "Mole", "Tornado",= blades "Peropeka", "Digging", club "Purin", "Vili monk", etc. With the help of the competent application of the physic laws, the reference of the material and the precision in the preparation of the use of the tools, the grounding of the earth is shaped 2-2.5 times. Refraction of Instrument by Ukraine "Novaya Post", "SAT", "Autolux".