Apparatus for cooking, namely, cooktops; Apparatus for the separation of gases for sanitary purposes; Drying apparatus for chemical processing; Drying apparatus for fodder and forage; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Heating elements; Heating installations; Lighting apparatus, namely, lighting installations; Lighting installations; Sanitary installations in the nature of steam rooms; Steam generating installations; V...