Baxter Ceramics Puzzle 1

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Across
  1. 5. a component of clay
  2. 7. quenching and breaking up a glass of a specific composition
  3. 9. clay comes in two categories: primary and secondary
  4. 11. highly plastic secondary formed from volcanic ash
  5. 12. building up the walls with coils of rope-like rolls of clay.
  6. 14. the process of kneading the clay with the hands to remove air bubbles
  7. 16. Process by which clay materials bond to become dense and nonabsorbent after firing
  8. 18. impervious layer or coating of a vitreous substance
  9. 19. A vitreous ceramic material
Down
  1. 1. clay highly plastic secondary that can shrink as much as 25%
  2. 2. The final stage of greenware dried to a completely dry state and ready to be fired
  3. 3. where pottery is fired in
  4. 4. clay purest of primary clays
  5. 5. clay secondary clay found below coal beds
  6. 6. A pottery created by low temperature firing
  7. 8. a mixture of clay and water
  8. 10. The process of heating pottery in a kiln to bring the glaze or clay body to maturity
  9. 13. clay or clay body when it has been partially dried to the point where all shrinkage has been completed
  10. 15. the glassy substance which is an important constituent of pottery glazes
  11. 17. a combination of silica, aluminium oxide and water