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 the information by selecting and reporting the main features, and make comparisons where relevant.

The first chart delineates how the operation of producing

cement

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is carried out,

while

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the second image depicts the ingredients and mechanism in the process of making concrete from

cement

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.

Overall

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, the

cement

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-manufacturing procedure includes multiple stages. Starting from crushing the mixture of limestone and clay, and ending with

cement

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, which is packed in bags.

On the other hand

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, the concrete-making process has various components with particular percentages. Regarding the first step, it is conspicuous that limestone and clay are transferred to powder with the assistance of a crusher, whereupon

this

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mixture is formed through a mixer. The next stage starts when the mixed powder is rotated and heated in a rotating heater. After that,

this

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powder is crushed again with the support of a grinder. Once the grinding step is finished, the

cement

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is obtained and prepared for the concrete-making technique. Regarding the second diagram, the figure for gravel, which is known as small stones, contributed the highest amount at 50

percent

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per cent

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, and the proportion of

cement

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, water, and sand accounted for 15, 10, and a quarter of 100 units, respectively. Once the ingredients are prepared, the mixing stage is able to start. In

this

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step, all compositions are mixed and rotated in a concrete mixer. Eventually, the concrete is formed and ready to be utilized for different purposes.