Experiments with water

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Across
  1. 3. for hear
  2. 5. for kill disease
  3. 6. for teach
  4. 8. for clean body
  5. 9. for cold
  6. 10. for write
  7. 11. for live
Down
  1. 1. for eat
  2. 2. for play
  3. 4. for fear
  4. 5. for buying thinks
  5. 7. for drink
  6. 10. for Wear
  7. 12. for taking salt