Discuss the trade-offs involved in selecting between the two materials for each of the applications listed:
(a) Sheet metal vs. reinforced plastic chairs
(b) Forged vs. cast crankshafts
(c) Forged vs. powder-metallurgy connecting rods
(d) Plastic vs. sheet-metal light-switch plates
(e) Glass vs. metal water pitchers
(f) Sheet-metal vs. cast hubcaps
(g) Steel vs. copper nails
(h) Wood vs. metal handles for hammers
Also, discuss the typical conditions to which these products are subjected in their normal use?