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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.

Write at least 150 words.

IELTS Report 18

The diagrams illustrate the process of making cement, and how concrete is produced from cement for construction purposes.

Overall, it is clear from the diagrams that there are five main stages in the production of cement. Meanwhile, only two steps are required to produce concrete.

At the first step of the cement production, limestone and clay are crushed into powder. The process continues with mixing this powder in a machine called mixer. The powder is then moved to the rotating heater where it is heated to high temperature. The next step is the material being ground and becoming cement. At the final stage, cement is packaged into bags and ready to produce concrete.

The first step in the process of making concrete is mixing cement, water, sand and gravel in the proportion of 15%, 10%, 25% and 50% respectively. This mixture is then put into a concrete mixer to produce concrete, which is used for building purposes.

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