Water fun and safety

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Across
  1. 3. the base for mermaiding
  2. 6. pass level 4
  3. 7. tail swimmer
  4. 9. done on water
  5. 11. done around water
  6. 12. keeps us safe
  7. 13. never alone
  8. 16. Frostbit Fins mermaid
Down
  1. 1. PFD
  2. 2. happens fast in cold water
  3. 4. given in local pools
  4. 5. done in water
  5. 8. in case you get hurt
  6. 10. swim in
  7. 14. capsized? Do this
  8. 15. signal rescuers