The diagram below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The image illustrates how

cement

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is produced and how it is used, alongside other materials, to form concrete. The most striking trend that can be noted is how the process can be complex for both elements. More specifically,

cement

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production

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complexity is given by an elaborate process,

whereas

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for concrete the major difficulty is given by a precise mixture needed.

Firstly

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, to produce

cement

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, the two materials needed are limestone and clay. These two get crushed to form a powder, which is mixed.

Subsequently

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,

this

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more homogeneous powder

gest

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gets

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heated in a rotating heater and, the resulting material, ground, forming the

cement

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.

Finally

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, the

cement

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is stored in bags, that will be used in concrete

production

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. Regarding concrete,

this

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material is a mixture of other materials too and, even if its composition is more complex, it needs fewer passages to be made. In fact,

while

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cement

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production

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needs many stages and machinery,

such

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as crushers, grinders and heaters, concrete needs only a mixer and the right proportion of elements to be formed.

In particular

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, it is a mixture formed by 15% of

cement

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, 10% of water, 25% of sand and 50% of gravel, which is a mix of small stones. Putting all of them together in a rotating mixer, the concrete gets formed. In conclusion, it can be stated how these two processes are strongly linked together

,

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apply

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but have some great differences too. As stated above, the complexity of

cement

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production

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is given by the numerous stages needed,

while

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for concrete the complication is given by the number of base elements necessary for the

production

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.