The diagrams show a structure that is used to generate electricity from wave power. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The charts illustrate how to produce electrical energy from the movement of the sea waves.
Overall, the process involves a structure which is located near the sea and on a cliff or sea wall, consists of three main parts, namely chamber, turbine and column. The turbine is installed inside the vertical column and can be turned due to the pressure of the air from the sea wave to generate electricity in two phrases.
In the first diagram, the sea wave moves toward the cliff or sea wall and enters into the lower chamber. This forward movement pushes the air through the turbine and create the pressure of the air in the column. And then this pressure makes the turbine spins clockwise faster and faster to generate electric power.
The process of producing electric power is the same in the second chart. When the wave retreats and brings the air that is sucked out of the chamber. This causes the turbine to continue turning in the same direction and electricity is generated continuously. The system keeps the next process when another sea wave appears again.
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