It also makes the steering more responsive by sending power to the outside front wheel when turning.

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Among Uruk's other advances was the quickly turning potter's wheel, a systematic division of labor and the invention of cylinder seals.

WSJ: The Ur-Metropolis | Uruk | Pergamon Museum | By A.J. Goldmann

For the first approach, he shapes a wettened cone of clay on a fast-spinning wheel, gradually turning a small dimple in the top into a bowl shape, which he smooths with a deerskin cloth and releases from its base with one quick draw of a taut wire.

BBC: The art of Japan