My practice English essay (3)

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Jan 3, 2014 10:35
The flow chart shows how to produce electricity from coal, Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The first step of producing electricity from coal is gaining coal from a coal mine. Then, coal need to go through crusher to break down in smaller pieces. Then, coal is delivered by a truck to be moved into a large container. The next step is the heating and burning the coal in a large furnace. Massive heat and gas emits while the coal is burning. This heat and gas is used for turning the motors to generate the electricity in the coal generator facility. After the burning process, wasted heat can be reused to process the previous procedure which is heating and burning the coal, to efficiently use the energy. These heated gas need to be cooled down. The final step is the cleaning exhaust and emitted gas. Electricity is delivered through wires in long distance to not only for factories but also for many households.