Lipetsk city. Exhibition of works of young innovators and designers of the Lipetsk region. Models of machine operators, equipment in action. Technological process of restoring worn-out tires at the Kursk tire repair plant. Production of fluorine rubber cuffs for vehicles and tractors in the workshop of the Kursk plant of rubber products. Leather processing in the shops of the Kursk tanning association. Technological process for the production of protein feed additives from leather waste.