Look at the text below. In 25 seconds, please speak into the microphone and describe in detail what the graph showing. You will have 40 seconds to give your response.
This image represents electricity generation, transmission and distribution map. The electricity is generated at a power plant located outside the city. There are a few step up and step down transformers connected with the transmission and distribution lines. There is a small transformer on the pole near the home which step down the voltage further before it reaches the consumer’s house. In conclusion, the step up and step down transformers reduce the loss of electricity during transmission.
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