| 21. | Limestone Calcined Clay Cement ( LC3 ) stems from research by the Ecole Polytechnique de Lausanne.
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| 22. | The new company combined the operations of 37 mining and calcining plants producing agricultural and construction plaster.
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| 23. | West is Baymag calcined magnesium oxide plant, and east, Graymont lime and limestone products plant.
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| 24. | To prepare the mix, the sand and calcined gypsum are added to the hopper and mixed.
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| 25. | Brick-built calcining kilns were used for reducing iron ore before transport to the Corby Steelworks.
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| 26. | Sulfur in calcined petroleum coke is a crucial element, for sulfur impacts the quality of steel.
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| 27. | The single reverberatory furnace was used to calcine the tin concentrates and drive of arsenic and sulphur.
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| 28. | The East Plant continues to operate at reduced capacity, processing electric arc furnace dust into zinc calcine.
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| 29. | Plaster of Paris is calcined gypsum ( roasted gypsum ), ground to a fine powder by milling.
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| 30. | Others are calcined in crucibles heated with fires of cow dung ( " puttam " ).
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