The analysis of tribological researches on the most perspective way of restoration of a primary resource of engines by means of a gas-dynamic spraying is resulted in article. It was found that to reduce the coefficient of friction and increase the wear resistance of the coating is theoretically justified the use of copper-zinc powders brand C-01-11. applied by gas-dynamic spraying. It... https://ashleyshomestores.shop/product-category/swivel-chair-set-of-2/