Which option most accurately defines the working time of an impression material?

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The period after the impression material begins to show elastic characteristicsImmediately following the onset of elastic properties in the impression materialThe duration from the initial mixing until just before the impression material starts to exhibit elastic behaviorThe phase when the impression material loses its shine

Explanation

Working time refers to the interval starting from the moment mixing begins until the impression material starts to develop elastic properties. This is the period during which the material can be manipulated before it begins to set.