Crossword puzzle title

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Across
  1. 2. what you use to keep metal together
  2. 5. a weapon forged from metal
  3. 6. what car shells are made of
  4. 10. mixtures of different metals
  5. 11. a small piece of metal used to Pierce things
  6. 12. what’s in every metal
  7. 14. when steel corrodes
Down
  1. 1. a metal everyone wants a lot of
  2. 3. common item used in wires
  3. 4. fusing metals together
  4. 6. common word for steels
  5. 7. ——— can
  6. 8. metal broken chunks of machinery
  7. 9. what’s tin foil is made of
  8. 13. can’t be corroded