Ответ на вопрос: 7. The properties of the metals ... on the size, ... and composition of these grains. 8. In general, a metal with small grains will be ... and stronger than one with coarse grains. 9. Heat ... such as quenching, tempering, or annealing controls the nature of the grains and their ... in the metal. 10. Small .... of other metals are often added to a ... metal. 11. All metals can be formed by drawing, rolling, ... and extrusion, but some require hot-.... . 12. Metals are subjects to metal ... and to creep causing deformation and failure. 13. Metals can be worked using ... such as lathe, milling machine, shaper and ... . 14. The ... of working a metal depend on its properties.