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← HistoryWhich problem notably worsened with improved kiln construction techniques enhancing Delftware production?
A)Falsified signatures increase value
B)Clay impurity thermal expansion cracking
C)Lead leaching glaze reduction cost✓
D)Enamel fading required faster drying
💡 Explanation
Improved kilns allowed hotter, more consistent firing, increasing lead leaching from the glaze via increased reaction rate; therefore, toxicity risks rose because higher temperatures accelerated lead dissolution, rather than temperature stress-related cracking.
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