The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Summarise it.

The charts illustrate how

cement

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is produced and how it is used to create concrete.

Overall

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,

cement

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production includes five steps, and its final product is combined with other three ingredients in a mixer to manufacture concrete. In the first step of

cement

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production, limestone and clay are crushed in a crush to produce a powder, which is

then

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mixed in a mixer. After that, the mixture is transported through a rotating heater, where it is heated by a device at the bottom.

Subsequently

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, the mixture falls onto a convey belt and is ground by a grinder to create

cement

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.

Finally

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, the

cement

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is packaged in bags. Concrete production is simple

,

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and only involves two steps.

Cement

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accounts for 15% of the total raw materials,

while

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water, sand, and gravel make up 10%, 25%, and 50%, respectively. All these ingredients are blended in a concrete mixer, which rotates round by round until concrete is produced.