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

The two diagrams illustrate how

cement

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is produced from natural raw materials and the process of concrete manufacture. In general, the

cement

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production visual shows that

cement

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is made of limestone and clay,

while

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the concrete diagram depicts that concrete is made from

cement

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, sand , gravel and water in certain quantities. To start with

cement

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manufacture , in the first stage , limestone and clay are added in specific amount together into the crusher which grinds the two material to a powder , after that the powder is transferred to the mixer which after mixing deliver the mixture into the rotating heater where external heat is applied.

then

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the mixture is moved by a conveyer belt into the grinder to grind the lumpy mixture to powder again , the

last

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stage is the packaging of the

cement

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in bags .Moving on to concrete production , the process simply starts with mixing the four raw materials in certain quantities that are ;

Cement

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15% , Sand 25%, Gravel 50% and water 10% , these materials are added to the mixer to produce concrete.