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Which long-term aesthetic consequence results when differential thermal expansion stresses act on pietra dura inlays within Mughal-era sandstone?

A)Adhesive bond fracturing
B)Material phase transformation
C)Oxidation tinting rapidly
D)Delamination crushing strength decreasing

💡 Explanation

Adhesive bond fracturing occurs in pietra dura when materials expand at different rates due to temperature changes; this is caused by differential thermal expansion. Therefore, bond fails before material changes, rather than other degradations that are chemically rather than physically driven.

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