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← HistoryWhich maintenance challenge occurs when seasonal ground shift exposes historic pietra dura inlay?
A)Detachment from differential thermal expansion✓
B)Discoloration from accelerated oxidation
C)Cracking due to induced resonance
D)Abrasion caused by windblown particulate
💡 Explanation
Detachment occurs because differential thermal expansion stresses the inlay's bond upon exposure; small differences accumulate applying force over many expansion cycles, therefore separation is the main concern, rather than oxidation or resonance factors, which are less amplified.
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