“…The rise in energy prices both abroad and in Russia leads to the need to save electricity. The problem of energy saving abroad is solved through the rational loading of the painting line, the use of diagonal ventilation systems in the painting and drying chambers, the use of heat exchangers to use the recovered heat, for example, for heating surface preparation baths, heat recovery from drying chambers, the use of special sliding gates for maximum heat preservation [2][3][4].…”