A wok is a 2 x parabola, with handles. Woks can be found in homes shops and markets around the world. It can be transformed by lining with mylar foil, which can be sourced from foil wrapping, chip packets, cigarette packet foil lining, aluminium cans, takeaway containers. A large wok can be supported on another bowl or wok stand, and easily rotated, adjusted on the stand. The largest 48 inch wok 121 cm diameter gives a working area of just over 1 metre square.