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