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The image shows a four-stage diagram of a modern landfill for household waste. Stage 1, "Construction," depicts a man-made hole in natural rock. Stage 2 involves the addition of a synthetic substance and clay lining, with drainage pipes and a tank. Stage 3, "Use," shows household waste and liquid waste accumulating on top of the clay layer. Stage 4, "Closure," illustrates the landfill covered with clay and gases being released through pipes.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram illustrates how a modern landfill is created to contain household rubbish.
The construction involves four key elements, beginning with excavated area and ending with clay clap.
The first step is ground excavation. The hole has a trapezoidal shape and it is excavated on natural rock foundation. Afterwards, synthetic layer and clay layer is added. Next, drainage pipes and tank are incorporated under the ground.
When landfill filled with waste, the waste-liquid and clay is under the hole. Subsequently, waste is broken down, meanwhile clay cover applied. And finally, gases is channeled away.
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