Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to buy a wok [title] Choose a material. [step] 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.

Ending1: You'll need to account for these advantages and disadvantages before you consider buying a wok. [substeps] On the reverse hand, woks aren't waterproof, and their feel is similar to soda cans. Ending2: 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 : [substeps] Cast iron. Ending3: [substeps] Cast iron beaches because iron is extremely flammable and burns well. Cast iron toughens well, but is not highly flammable. Ending4: If you want your wok to be made from cast iron, you should buy solid wood and perforated wood. These materials are better for a wok than the material you get from factory manufacture.

Answer format: ending1/ending2/ending3/ending4