clay washmill

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• Rawmill — A rawmill is the equipment used to grind raw materials into rawmix during the manufacture of cement. Rawmix is then fed to a cement kiln, which transforms it into clinker, which is then ground to make cement in the cement mill. The rawmilling… …   Wikipedia

• James Frost (cement maker) — James Frost (1780? 1840?) was a British cement manufacturer, and invented processes that led to the eventual development of Portland cement.James Frost was born in Finchley, North London, England [Francis A J, The Cement Industry 1796 1914 ,… …   Wikipedia