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Which mechanism limits long-term Mughal pietra dura durability?

A)Differential thermal expansion rate
B)Oxidation of binding mortar
C)Erosion by windborne particles
D)Vibration-induced material fatigue

💡 Explanation

Differential thermal expansion causes cracking and detachment because stone and mortar expand at different rates with temperature change leading to stress concentrations; therefore the inlay's integrity degrades, rather than from erosion or vibration directly.

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