Structure and paneling made of press-folded sheet steel. Peripheral portholes for visual control and cooling. Internal coating treated surface in High-temperature / High-density ceramic fiber. Wraparound aluminum sheath. Enveloping cavity with ventilation channels.

Shell opening by electric actuators and remote control. Numerous heating elements protected by quartz tubes. Perfect temperature uniformity. Control panel equipped with microprocessor instrumentation with 15 programs of 20 broken.