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Across 1. returns to its original shape after force is removed 4. material passes between rollers to be reshaped 5. when only a selected part of a component is hardened 7. shown by a material resistant to scoring, wear and denting 8. to toughen a steel after it has been hardened 9. a material that will stay in its deformed state after the force is removed 10. can be formed by bending or hammering when cold without cracking 11. can cope with repeated stresses of impact, temperature extremes or vibration without cracking or breaking 12. will resist high forces such as compression, shear or tensile 16. resists deformation when exposed to stretching forces 20. uses lathes, drills and mills to reshape blocks of material 21. to harden only the outer surface of a steel 22. a method of making shapes from metal that uses sand moulds 23. hammering metals changes their shape

Down 2. is strong under pressing forces 3. relies on squeezing a material with a press to shange its shape 6. able to drawn cold without cracking or breaking 13. will not fracture when exposed to heavy impacts without fracturing 14. breaks easily when force is applied 15. when a metal is softened from its hardened state so it can be shaped or reworked 17. used to restore toughness to steel after it has been cold worked or forged 18. a process used to make wire and tubing 19. to heat treat a steel to make it very hard