M the numbered list below, decide which of the items are representative of each of parts (a), (b), (c), and (d). (a) Advantages of cold working. (b) Advantages of hot working. (c) Disadvantages of cold working. (d) Disadvantages of hot working. (1) A high quality surface finish (2) Large deformation are possible, which may be repeated (3) The mechanical properties may be varied (4) Close dimentional tolerances (5) Deformation energy requirements are relatively low (6) A poor surface finish (7) A loss of ductility (8) Large deformations must be accomplished in steps, which may be expensive (9) High deformation energy requirements (10) A variety of mechanical properties is not possible