Using "Phase Changes ABC-123"

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Across
  1. 3. C.2
  2. 5. C.4
  3. 8. B.2
  4. 10. 2.2
  5. 12. 3.4 (Latent heat of __.)
  6. 14. 1.1
  7. 15. 2.4 (Latent heat of __.)
  8. 17. A.4
  9. 18. 3.3
Down
  1. 1. 1.2
  2. 2. B.1
  3. 4. A.2
  4. 6. 1.4
  5. 7. A.1
  6. 9. C.1
  7. 11. 2.1
  8. 13. 3.2
  9. 16. B.3