Mr Holt's Crossword eigh/a-e as in weigh/tape

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Across
  1. 2. acknowledge and honour success
  2. 5. shapes that fit together with no gaps
  3. 7. woman, feminine
  4. 10. work out a solution through discussion
  5. 12. 2x9
  6. 14. educated guess, approximation
  7. 16. Beyond earth's atmosphere, empty void
  8. 17. complete a period of education
  9. 18. responsible for a crime or wrong-doing
  10. 19. how heavy something is
Down
  1. 1. show how something works, or protest
  2. 3. man, masculine
  3. 4. secure, strongbox
  4. 6. Santa's transport
  5. 8. Goods transported by truck, train
  6. 9. to expect something about to happen
  7. 11. change into another language
  8. 13. sticky, measuring
  9. 15. 10x8
  10. 16. remove whiskers