9 electrical, electronic and mechanical switches, controllers, adjusters, automatic devices for the control, the supervising, the limiting and the regulating of time and niveau, especially for electrical devices and apparatus for warming, cooking, baking, grilling, deep frying, [ infusion of beverages, ] heating, [ ironing, ] washing, drying, dishwashing, ventilating, air conditioning, [ cooling, high frequency, ] warm water preparing [ and copying, materials for electrical installation; namely, appliance plug sockets for heaters, electrical connectors and clamps, electric insulated wiring, resistors, optical and acoustical indicators, electrical indicators; namely, lamps, LED, LCD, toggle positional indicators, optical and acoustical indicators, luminous indicators, indicators of set value, indicators of working order, function indicators, indicators of working conditions, attenuations switches, contact switches, proximity switches, optocouplers, potentiometers, thermal sensors, thick film resistors used for heating purposes, amplifier output, hybrid attachments, heating resistors, electrical insulators ]