Never put any metal utensil or container and not even an object with metal trim inside the microwave. Always remember to remove the aluminum foil from the food item before putting them inside the microwave to avoid any fire hazard. Never heat any flammable food and beverage inside the microwave to avoid fire or explosion. Do not heat any sealed food container or packed food or beverage item. Always remove the seal first and then heat items to avoid explosion. When the microwave is in use, do not cover the top. Clean the food spills and stains inside the microwave after every use to avoid any rotten smell.