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Across
  1. 3. (7 letters): Stage after kiln to reduce clinker temperature
  2. 7. (9 letters): Primary raw material for cement production
  3. 8. (11 letters): Process of limestone decomposition
  4. 9. (8 letters): Mixing of raw materials in correct proportions
  5. 10. (6 letters): Where raw materials are extracted
  6. 12. (9 letters): Chamber that utilizes hot gases from kiln
Down
  1. 1. (4 letters): Large storage tank for finished cement
  2. 2. (4 letters): Heart of the cement manufacturing process
  3. 4. (6 letters): Added during final grinding to control setting time
  4. 5. (8 letters): Process to reduce material size to fine powder
  5. 6. (7 letters): Intermediate product formed in the kiln
  6. 11. (9 letters): Materials added to improve cement properties