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ủa sao đăng câu hỏi lớp 9

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- Must save energy because:
+ The power consumption is very large while the power supply capacity of the power plants does not meet the requirements
meet the needs
+ When the power consumption is large, the voltage of the electrical network is reduced, adversely affecting the mode
working of electrical appliances.
+ The larger the working capacity of the electrical appliances, the more electricity consumption affects
to the life of electrical appliances
– To save electricity, we need to use electricity rationally, avoiding waste.
+ Use electricity only when necessary; When not in use, turn off electrical appliances.
+ Save electricity when cooking, heating, ironing clothes (because these things need to use a lot of electrical energy).