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 diagram illustrates the process of manufacturing

cement

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and its use in producing concrete.

Overall

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, the first process focuses on

cement

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production,

while

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the second shows how the

cement

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is utilized

along with

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other ingredients to manufacture concrete. In the first diagram,

cement

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production begins by crushing limestone and clay into a powder using a crusher. These materials are mixed in a mixer,

then

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heat is applied

while

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they are rotated with the use of a rotating heater. The heated product is

then

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ground into a finer powder. The powder is

finally

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bagged and ready to be used as

cement

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. The second diagram shows how

cement

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is vital to the manufacturing of concrete. The operation involves combining 15%

cement

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, 10% water, 25% sand, and 50% gravel in a concrete mixer.gravel refers to small stones, which are the major ingredient in

this

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mixture. Once all components are combined, the output is concrete, which is used for construction purposes.