Across
- 1. Lightweight metal (9)
- 3. Metal working technique (7)
- 6. A very ductile material (6)
- 8. Combination of metals (5)
- 9. Expensive and strong composite material (11)
- 11. Used to strengthen concrete (5)
- 13. Joining metals by melting (7)
- 15. Lightweight metal used for tent poles (9)
- 17. Protective Gas for welding (6)
- 18. Metal Mixed with carbon (5)
- 19. Non metal material (9)
- 21. Mixture used in brazing (4)
Down
- 2. Heat Treatment process (8)
- 4. Metal joining process(9)
- 5. A type of ceramic (9)
- 7. Heat resistant glass (5)
- 10. Shiny corrosion resistant metal (8)
- 12. Hard wearing metal alloy (8)
- 14. A form of Iron(6)
- 16. High Strength alloy (8)
- 20. A type of welding (3)