The simple plow has the task of loosening the soil to turn and make the largest possible surface. At the same time serves the same to destroy the weeds, to prevent the fertilizer and seed. The main factors that influence the course of the plow, which, soil conditions, the draft, which is presented in the Vedas autonomous change, and the tensile force of habit or the skill of the workers. The traction device. The regulator can be arranged in many different ways. The results presented in Fig ordinary English regulators are too complicated, especially in the smithy work, so that repairs are difficult to entertain in the country.