The diagram below shows the process by which bricks are manufactured for the building industry.

The diagram illustrates different stages in the process of manufacturing

bricks

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from the digging step to delivery. At the beginning of the process,

clay

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is dug from the ground.

Then

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, the

clay

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is put through a metal grid, and it passes onto a roller where it is mixed with sand and water. After that, the

clay

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can be shaped into

bricks

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in two ways: either it is put in a mould, or a wire cutter is used. At the fourth stage in the process, the

clay

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bricks

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are placed in a drying oven for one to two days.

Next,

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the

bricks

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are heated in a kiln at a moderate temperature (200 - 900 degrees Celsius) and

then

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at a high temperature (up to 1300 degrees Celsius), before spending two to three days in a cooling chamber.

Finally

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, the finished

bricks

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are packaged and delivered to be sold in the market.