The oven body consists of steel steam tight tunnel with equally divided zones of radiators. Stainless steel expansion joints are provided between these zones in order to eliminate the expansion of the oven section. The inspection doors are provided for inspection of the baking goods during the process. The complete chamber will be insulated with minerwoll filled from outside to conserve heat and increase efficiency. The fully automatic imported oil or gas fired burner shall be fitted to the chamber and the temperature shall be controlled by automatic temperature controller on the control panel.