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1, We can save energy by doing some following tips. First of all, we should use electricity more efficiently and reduce our electricity bill. We need to turn off the TV when we are not watching, turn off all the lights before going to bed. Besides, we should not leave the fridge door open in a long time due to the wasting of electricity. Morever, we should save water by taking showers instead of baths or turning off the water when you don not use it. The next tip is reducing the use of fossil fuels like gas, coal, and oil. It is not only saving energy but also protect our environment. To do this, we can use public transport and avoid using a car or motorbike for a short trip. All in all, because our energy is limited we need to reserve it for future generations.

2, Traffic safety is the assurance of the lives of road users. It is increasingly concerned about increasing traffic accidents, affecting the morale of road users. In the past, traffic accidents also occurred but not as much as now. Every year there are parameters talking about traffic accidents. During the nine months of 2015 (from December 16, 2014, to September 15, 2015), there were 16459 traffic accidents that killed 6518 people and 14929 injured. An alarming number for the current traffic situation. The most common cause of this situation is the awareness of road users.