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 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 diagram illustrates the process through which
cement
is produced. The process begins when the initial raw materials, namely limestone and clay, are crushed using two rotating drums to make a fine powder which is
then
mixed in a cylindrical mixer. The next stage involves a tube-like rotating heater with a blowtorch mounted at its bottom opening. The mixed powder is fed from the top and simultaneously heated and blended, after which it is transferred to a grinder using a conveyor belt. There, it is milled to yield the final
cement
product which is eventually packed in bags.
This
cement
is used as raw material in the production of concrete in a
second,
rather simpler process illustrated in the second picture. An initial mixture comprising 15%
cement
, 10% water, one-quarter sand and half gravel is fed into a rotating concrete mixer where they are stirred until the concrete mix is ready for construction purposes.
To sum up
, there are 5 stages in the production of
cement
.
Moreover
,
cement
and a few other simple ingredients are used to produce concrete through a single-stage procedure.
Submitted by Amir Rustamov on

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Basic structure: Change the third paragraph.
Vocabulary: Replace the words cement with synonyms.
Vocabulary: Only 2 basic words for charts were used.
Vocabulary: The word "illustrates" was used 2 times.
Vocabulary: Use several vocabularies to present the data in the third paragraph.

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