The dimensions of the drying chamber are 0.75 × 0.75 m and height 1.05 m and it was designed with four trays for placing the products and the distance between each tray is 200 mm. The chamber is also insulated at all sides using glass wool as insulation material with thickness of 25 mm. The drying tray is made of aluminium screen with area of 0.42 m2 to facilitate
better circulation of air.