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NO2 - 0,00001 - an absolute threshold of influence; 0,0001-0,0003 - threshold of perception of a smell; 0,0013 - irritation of mucous membranes of a nose and eye; 0,001-0,002 - formation of a methemoglobin; 0,004-0,008 - hypostasis of lungs.

Creation of DVS was great scientific achievement. They can be connected practically to any consumers of energy, are well adapted for work on the unsteady modes and have the considerable brake moment that is especially important for their use on transport vehicles. DVS will be the main power source in all types of Agricultural production for a long time.

Soot (firm filtrate of the fulfilled gases) consists of hydrocarbon particles. Soot, is emitted with the fulfilled gases, creates unpleasant feeling of air pollution. Getting on vegetation, it interferes with pollination process.

Pollution of the water environment oil products in agriculture in many respects is a consequence of use of modern Agricultural equipment. The reason for that - our low ecological culture, lack of ecological approach to designing and operation of modern equipment. A large amount of oil products is lost at service of cars.