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Which consequence arises when thermal stress exceeds limits in pietra dura?

A)Inlay separates from the substrate
B)Lime mortar chemically decomposes rapidly
C)Sandstone compresses under structural load
D)Evaporation minimizes reflective color intensity

💡 Explanation

Differential expansion causes inlay detachment because the coefficient of thermal expansion mismatch induces shear stress at the interface, using thermal expansion. Therefore, the inlay dislodges, rather than chemical decomposition or compression exceeding load as a primary process.

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