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← HistoryWhich risk became prevalent in pietra dura due to thermal expansion across seasons?
A)Shear stress exceeding matrix bond✓
B)Dissolution of mortar by rainfall
C)Oxidation driven element color changes
D)Erosion by excessive foot traffic
💡 Explanation
Inlay risks matrix failure because differential thermal expansion induces shear stress at material interfaces. Therefore cracking/decohesion within pietra dura is a primary risk, rather than dissolution or oxidation, which require chemical action.
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