Which firing method is considered more effective: a shorter duration at a higher temperature or a longer duration at a lower temperature?

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An extended firing time at a reduced temperature is idealA prolonged firing period at an elevated temperature is preferredA brief firing interval at a very low temperature is bestNone of the above

Explanation

The optimal firing technique involves a longer firing time at a high temperature, as this ensures proper processing. Shorter times at low temperatures or other combinations are less effective.