Cookware coating is an important part of kitchenware. Common coatings include ENAMEL, teflon, woks, wok, tfal, OLLA, and POTS. ENAMEL is a glass-like coating that is applied to metal cookware and is often used for decorative purposes. Teflon is a non-stick coating that is applied to pans and other cookware to prevent food from sticking. Woks are a type of pan with a rounded bottom and high sides that is used for stir-frying. Wok is a similar type of pan but with a flat bottom. Tfal is a brand of cookware that is coated with teflon. OLLA is a type of pot with a wide mouth and narrow base that is used for boiling liquids. POTS are large containers with a handle and a lid that are used for cooking food.