31298691condition changingPT2026-03-30 20:20:05UF31298692changing, conditionNDBT31296939processes and techniques by specific typePTNT31304819bleedingPTNT31304821deteriorationPTNT31304826embrittlementPTNT31304828devitrificationPTNT31304831color changesPTNT31304834size-related changesPTNT31304837surface or structural changesPTNT31304840salinizationPTNT31304842carbonationPTNT31304843rotPTNT31304846dissolutionPTNT31304850fossilizationPTNT31304853solidificationPTNT31304856kaolinizationPTNT31304861interpolationPTNT31304864gelatinizationPT