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← HistoryWhich risk increased in pietra dura inlay when insufficient soaking happened?
A)Material differential thermal expansion✓
B)Weakened mortar oxidation resistance
C)Increased efflorescence salt formation
D)Reduced setting time adhesion
💡 Explanation
Material differential thermal expansion becomes significant because inadequately soaked stones don't fully conform when the embedding mortar settles, therefore causing delamination stress rather than even distribution across dissimilar materials when temperature changes because of incomplete bond/contact.
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