The glaze is applied to a fired stoneware vessel, which is then fired again in a repeated cycle of six stages of heating and cooling where precise temperatures matter a great deal: either over- or under-firing will spoil the effect.

UNESCO: Culture

The cycle repeated: Exploration was sharply reduced, and the price of oil started moving up again.

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They don't normally involve mountains or climbing equipment, but an appearance at a store, a hotel and an airport, with the cycle repeated the next day.

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