Which risk increases when tesserae thermal expansion differs drastically from mortar?

💡 Explanation

Delamination risk increases because differential THERMAL STRESS causes shear forces exceeding adhesive strength, therefore mosaic layers separate rather than remaining bonded, resulting in cracking, rather than simply optical changes.

• Which outcome occurs when a fully-laden Viking longship encounters unexpectedly shallow coastal waters?
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• Which effect primarily limited image clarity in early Islamic lens making?
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• During siege warfare against medieval fortifications, which consequence arose from defenders utilizing heated oil?
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