The diagram shows the design of a modern landfill for household waste.

The diagram illustrates the process of making a modern landfill to produce a renewable source of power from household

waste

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.

Overall

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,

it is clear that

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there are three main stages of the process. It begins with making a hole by labour forces and ends with covering the

pit

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with clay.

To begin

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with, the earth in one area is excavated,by human power to create a

pit

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which is almost rectangular in shape, from a surface until reaching a natural rock level. A thin synthetic substance is used to cover the

pit

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as a first layer

then

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both drainage pipes and a small tank will be installed at the

pit

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's base.

Moreover

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, clay is filled as a second layer to cover the area where the drainage systems appear.

Additionally

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, household

waste

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such

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as leftovers and liquid is thrown out into the

pit

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and the purpose of mud from the previous stage is to protect the system which will be damaged by the

waste

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. Afterwards, the hole will be closed by clay

as well as

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waiting for the household

waste

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to be fermented. Gases, which are produced, will eventually pass through the pipes and be ready to

reuse

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be reused

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as a new source of power around its residential area.