Cookware consists of different types of pots and pans that are used for specific purposes. Some of the pieces of cookware can be substituted for a type you may not have and still accomplish the type of cooking you need to perform. The pots and pans are available in different sizes and made of different types of material. Some materials are better than others when used for specific cooking methods. Materials used for the production of pans include aluminum, cast iron, copper, stainless steel, oven-safe ceramic or glass. Some of the most common types of cookware include braiser pans, casseroles, chef's pans, dutch ovens, frying pans, grill pans, omelet pans, roasting pans, saucepan, sauté pans, skillets, stockpots, and woks.