6) ( (a) Fig. Q3(a)(i) and (ii) show some examples of metal products using specific type of metal alloys. Discuss the factors contribute to materials selection which best for the applications. TETET EU (11) Fig. Q3(a)(): Aluminum alloy for high precision automotive products and (11) cast iron crankshaft. (b) Fig. 23(b) shows the typical stress-strain curves for three different categories of materials. Based on this Fig. 23(6), answer the following questions: Determine a suitable stress-strain curve that describes the properties of the ceramics. Based on your answer in Q3(6).justify your answer. (1) A B 0 MPa)