... of over ten types of electric appliance, including barbecue oven, traditional oven, electric rice cooker, egg cooker, electric gridiron, sandwich ... retain nutrients and freshness.Smoke-free CookingCooking with light-wave oven will not generate smoke or radiation, which can ensure ... for example. It takes 45 minutes for common oven (2500W) to roast chicken, while it takes only 30 minutes for light- ...