The diagram bellow shows the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building processes.

The diagrams illustrate the way in which

cement

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is made and how it is

then

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used in the process of making concrete.

Overall

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, limestone and clay pass through four stages before being bagged

ready

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and ready

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for use as

cement

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which accounts for 15% of the four materials used to produce concrete.

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the process of making

cement

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uses a number of tools, the production of concrete requires only a concrete mixer. In the first stage of making

cement

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, limestone and clay are crushed together to form a powder.

This

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powder is

then

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combined in a mixer before passing into a rotating heater which has constant heat applied at one end of the tube. The resulting mixture is ground in order to produce

cement

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. The final product is afterwards put into bags ready to be used. Regarding the second diagram, concrete

consist

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consists

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of mainly grave, which

is

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are

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small stones, and

this

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makes up 50% of the ingredients. The other materials used are sand (25%),

cement

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(15%), and water (10%). These are all poured into a concrete mixer which continually rotates to combine the materials and ultimately produces concrete.