... of over ten types of electric appliance, including barbecue oven, traditional oven, electric rice cooker, egg cooker, electric gridiron, sandwich ... machine.Oil-free and Low-fat CookingFrying, deep frying and curing of food may be done without edible oil, which can ... wave tube and heat rotating system. Take chicken roasting for example. It takes 45 minutes for common oven (2500W) to roast chicken ...