Gabby Clement puzzle

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Across
  1. 4. to mix clay and other products with water to make slip
  2. 7. a layer or coating of a substance that goes on ceramic pieces
  3. 8. a glassy substance applied to metallic surfaces
  4. 9. a ceramic composition that has been fused
  5. 11. a raw material for making ceramics with a high amount of silica
  6. 12. works the clay and mixes it thoroughly distributing water throughout the clay
  7. 13. used to give texture and workability
Down
  1. 1. a mixture of fine particles of cement or coal
  2. 2. refracted clay used to manufacture of ceramics
  3. 3. used in glazes and ceramic bodies to lower melting point
  4. 5. cooling a piece of work in water or oil
  5. 6. a mineral consisting of silicon dioxide
  6. 7. clay,fluxes,hardeners, and openers make this up
  7. 10. to render any soluble components
  8. 12. the different materials used in compounding and blending pottery bodies