The oven is a sealed appliance used to bake food or dry products, which is divided into household ovens and industrial ovens. Household ovens are generally smaller in volume and can be used to process some pasta. Such as bread, pizza, but also can do egg tower, small cookies and other snacks. There are also some ovens that can roast chicken. The resulting food is usually aromatic. Industrial ovens, used for industrial drying, baking products of a device, there are electric and gas; so the oven can do bread completely.