Cooking, heating, cooling and preservation equipment, for food and beverages, namely, convection ovens, refrigerators; refrigerating and freezing equipment, namely, freezers, refrigerators; drying installations, namely, drying apparatus for chemical processing; industrial drying installations; apparatus for drying, namely, drying apparatus for chemical processing; drying apparatus and installations, namely, drying apparatus for chemical processing; electrically operated devices used in drying...