The diagram 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.

The diagram gives information about

two

different processes of

production

, one of them is

cement

production

and the other one is

about

Change preposition

apply

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concrete

production

.

Overall

, as is presented in the diagram, before producing the concrete, we need to produce

cement

, and both of them

has

Correct subject-verb agreement

have

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a lot of stages until the finished product.

First

of all, for

cement

production

Add a comma

production,

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we need to start with the

first

two

materials, limestone and clay, which are going to be crushed and transformed into powder before the mixing process. Moving forward, the mix

is going

Wrong verb form

goes

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through the rotating heater, and just after into the grinder,once everything is

grinded

Correct your spelling

ground

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, the

cement

is ready to be packed into the bags.

Secondly

, to produce concrete, four elements are essential, water,

cement

, sand and gravel in different proportions.

Cement

and water are the

first

two

elements, 15 per

cent

for the

first

and 10 per

cent

for the other one, just after these, the next

two

materials are sand , which is 25 per

cent

and 50 per

cent

of concrete, all together into the concrete mixer.