Puzzle 8

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Across
  1. 6. Cocktail made with coconut, pineapple and rum
  2. 8. Welsh name for Wales
  3. 9. A fielding position between point and mid off
  4. 11. Turning force
  5. 12. Line of rulers
  6. 13. A blunder
  7. 16. Barrier
  8. 17. Organ consisting of the pinna, auditory canal, eardrum
  9. 18. Hollow and cylindrical in shape
  10. 19. The performance of an individual
Down
  1. 1. To anticipate and stop an action
  2. 2. Section used to extend the size of a table
  3. 3. The point where two converging lines meet
  4. 4. Police headquarters London
  5. 5. Vary irregularly in time
  6. 6. Original model
  7. 7. A unit of measurement for pressure
  8. 10. Optimal conditions
  9. 14. - Thankfulness for something
  10. 15. Act of observing