Ceramics

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Across
  1. 3. tiny opening allows heated air to escape
  2. 5. common toxic glaze chemical used in the past
  3. 7. roughening clay surfaces to attach them
  4. 9. a technique of building using flat pieces of clay
  5. 11. what wet clay does in the kiln
  6. 18. a non-glossy glaze
  7. 19. stiffened but not yet dry clay
  8. 21. clay flute or whistle
  9. 22. pottery fired once but not vitrified
  10. 23. what clay does as it dries about 10%
  11. 25. heating ceramics to permanently harden them
  12. 26. an angled surface on a joint
  13. 27. a standard temperature gauge for ceramic firing
  14. 28. degenerated rock with plate-like microstructure, mud
Down
  1. 1. number of layers of glaze for brushing
  2. 2. fragle, unfired dry pottery
  3. 3. high-temperature thermometer
  4. 4. rubber, wooden or metal tool for smoothing clay
  5. 6. cover your wet clay with this to keep it workable
  6. 8. sandy particles of fired clay in a wet clay body
  7. 10. unfired clay with no water in it
  8. 12. liquid clay used for glueing and decorating
  9. 13. long rope-shaped piece of clay
  10. 14. thin glass coating applied on ceramic surfaces
  11. 15. flat plastic disc used to support wet pieces
  12. 16. creating a ceramic shape on the potter's wheel
  13. 17. what clay does when it dries too fast and at different rates
  14. 20. body part as thick as ceramics ought to be
  15. 23. component of clay and glazes is harmful as dust
  16. 24. furnace for heating pottery