The diagram below shows the process by which bricks are manufactured for the building industry. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The process by which brick manufacturing

bricks

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are manufactured for the building industry can be outlined in seven consecutive steps.

First

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First,

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the raw material,

clay

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, which lies just below the surface of soil in certain

clay

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-rich areas has to be dug up by a digger.

Then

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the lumps of

clay

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are placed on a metal grid, in order to break up the big chunks of

clay

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into much smaller ones, which fall through the metal grid onto a roller, whose motion

further

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segregates the bits of

clay

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. Sand and water are added to make a homogenous mixture, which is

then

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either formed in moulds or cut into

brick shaped

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brick-shaped

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pieces by

mean

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means

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of a wire cutter. These fresh

bricks

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are

then

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kept in a drying oven for at least 24 and a maximum of 48 hours, several dozens if not hundreds of

bricks

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at a time. The dried

bricks

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are

then

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tranferred

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transferred

to a so-called kiln, another type of

high temperature

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high-temperature

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even

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event

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.

First

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First,

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they are kept at a moderate temperature of 200-980°C,

then

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at a high temperature of 870-1300°C.

This

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process is followed by cooling down the finished

bricks

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for 48 to 72 hours in a cooling chamber. Once the

bricks

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have cooled down and

have

Unnecessary verb

apply

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become hard, they get packaged and delivered to their final destination, be it a building site or storage.