Across
- 3. a material to separate
- 9. process of electricity
- 11. cutting
- 12. forming package products
- 13. metal be joined
- 15. part of material is removed
- 16. material that you can separate with
- 17. to sharpen or sand a surface
- 18. a piece of metal
Down
- 1. hold piece of sheets
- 2. separating process
- 4. softened material
- 5. material that change form
- 6. pulls one piece of material
- 7. is a process
- 8. joining metals with heat
- 10. involves with heat
- 14. material changes