Which of the major nondestructive inspection methods might you want to consider if you want to detect

Question:

Which of the major nondestructive inspection methods might you want to consider if you want to detect (1) surface flaws and (2) internal flaws in products made from each of the following materials?
a. Ceramics
b. Polymers
c. Fiber-reinforced composites with (i) polymer matrix and (ii) metal matrix (Consider various fiber materials.)