1, function: the oven is mainly used for baking food, which can provide even heating effect. Frying pan is used for frying and deep-frying ingredients, which is suitable for high-temperature and rapid cooking. Coffee beans are the raw material for coffee and require a roasting process to produce the special flavor of coffee.

2. Usage: Ovens usually use preset temperatures and baking times to roast food. Frying pans, on the other hand, require manual control of the heat and stirring ingredients. While roasting coffee beans need to master specific roasting time, temperature and flavor requirements, you can use a professional coffee roaster or home roasting equipment.

3, application areas: the oven is suitable for baking a variety of foods, including vegetables, bread, meat and so on. The frying pan is suitable for frying and cooking ingredients, and can be used for stir-frying, frying and other cooking methods. And the coffee beans are specifically used to bake out the beans of coffee aroma and flavor.