No cigarette shop can use the gas stove. The oven itself does not produce a lot of oil smoke, which is different from when cooking food with a gas stove. In the process of food heating, little oil and seasoning are added, and the fume in the oven is very small. Oven is a sealed electrical appliance used to bake food or dry products, which can be divided into household appliances and industrial ovens. Home ovens can be used to process some pasta. Industrial oven is a kind of equipment used for drying products in industry, which has electricity and gas, and is also called oven and drying box.