Question

give meaning
fractography,
prosopography
theography
dectylography

Answer 1

1. Fractography is the study of the fracture surfaces of materials. Fractographic methods are routinely used to determine the cause of failure in engineering structures, especially in product failure and the practice of forensic engineering or failure analysis.
2. In historical studies, prosopography is an investigation of the common characteristics of a historical group (whose individual biographies may be largely untraceable) by means of a collective study of their lives, in multiple career-line analysis.

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