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Which mechanism limits pattern precision when cutting 'pietra dura' on 17th-century Mughal structures?

A)Cumulative abrasive particle deflection
B)Differential thermal stone expansion
C)Inconsistent gemstone impurity distribution
D)Uncalibrated sandstone cutter offsets

💡 Explanation

Abrasive particle deflection is the limitation because non-rigid tools accumulate errors via gradual drift, therefore precision is reduced rather than from inherent stone properties or thermal effects, causing progressive deviations.

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