Using a fan instead of an air conditioner - Using air conditioner when the whether is very cold , Switching on the lights when sleeping - Switching off the lights when sleeping, Switching off electrical appliances when not use - Switching on electrical appliances when not use, Avoid leaving the refrigerator door open for long time - open the refrigerator door for long time, using filament lamp for energy saving - Using LED lamp for energy saving, Reduce the usage of water heater when showering - Increase the usage of water heater when showering,

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