How does the next paragraph end?

How to buy a wok
Choose a material.
Woks are made out of several different materials, though the traditional wok is made of cast iron. Each material has its own advantages and disadvantages.
Every type of wok will work for your stir-frying, steaming, or frying needs, except teflon, which should not be used for frying. The different materials of woks are : Cast iron.