White ware puzzle-1

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Across
  1. 1. glassy coating on ceramic ware
  2. 7. clay having high water of plasticity
  3. 8. product having zero porosity
  4. 9. binding coating between tile and glaze
  5. 11. tool used for measuring of temperature
  6. 12. high temperature withstanding materials
  7. 13. white burning clay
Down
  1. 2. glassy coating on metal surface
  2. 3. major raw material in bone china
  3. 4. used for preparation of granuals
  4. 5. apparatus used for measuring of slip viscosity
  5. 6. is the widely used countinuous firing kiln
  6. 10. the process of removal of lead toxicity