The diagram below shows the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes.

The process illustrates the way in which

cement

is manufactured and is used for making concrete to construct.

Overall

, there are four steps in

cement

production, beginning with limestone and clay and ending with packaged

cement

. From

this

, the manufacture of concrete only needs one stage with a mixer. Beginning with the procedure of manufacturing

cement

,

the first step is

crushing limestone and clay into power before putting them into the mixer. Afterwards, the mixed powder is transferred to a rotating heater and is heated to a certain point in order to be

grinded

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ground

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by a metal tool before it is turned into

the

Correct article usage

apply

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cement

. The

cement

then

is ready to package into bags and marketed for sale. Concrete is produced more simply. It mainly consists of small stones called gravel, which accounted for 50%. The remaining ingredients include

cement

with 15%, sand with 25% and water with 10%. They are blended into a tool to grind and the

resulting

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result

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is

concrete

Correct article usage

a concrete

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mixer.