The diagram illustrates the process that is used to manufacture bricks for the building industry. Summarise the information by selecting and reporting the main features, and make any comparisons where relevant.

The diagram shows how

bricks

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are produced for the building industry.

Overall

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, brick production involves seven stages, beginning with the digging of

clay

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and ending with delivery. In the first stage, a digger is used to extract the

clay

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. The

clay

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after

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, after

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that

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that,

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is put on a metal grid in the roller that combines the

clay

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with sand and water to produce the

bricks

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.

Subsequently

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, the drying oven is used to dry

bricks

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for a period of 24 to 48 hours. Once dried in the drying oven, the

bricks

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are put into a kiln gradually: first at a moderate temperature of about 200

°C

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to 980

°C

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, and

then

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at a higher temperature ranging from 870

°C

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to 1300

°C

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. After that, the

bricks

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are transferred to a cooling chamber for 48 to 72 hours. In the final stage, the

bricks

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are packaged and made ready for delivery to be used in the building industry.