The diagram show a landfill for household waste.
There are three step in the landfill. They are construction, use and closure.
First, a big hole is made in the ground. The hole is in the natural rock. Clay and synthetic lining are put inside the hole. There are some pipes at the bottom for water.
Next, trucks put household waste into the hole. The waste make liquid. This liquid go down to the pipes.
Finally, the landfill is closed. Clay cover is put on the top. Gas from the waste go out by a pipe. After that, the landfill is finish.
