The diagram below shows how bricks are manufactured. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the brick-making process.

This

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report on the manufacture of

bricks

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on an industrial scale shows that

this

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linear process consists of eight main steps from

extraction

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the extraction

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of the raw material to final delivery. The first few stages involve combining the raw materials to make

bricks

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,

then

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the next stages involve using heat to harden the

bricks

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. In the first step, the principal raw material out of which

bricks

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are made, clay, is extracted from the earth using a mechanical digger. Large lumps of clay are

then

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reduced in size by being placed on metal grids and passed over a series of rollers. In the subsequent stage, sand and water are added in order to help solidify the clay.