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The frequent occurrence of forest fires makes people worry about the future of the environment. The fire is the easiest to control in the early stage. The forest fire alarm is usually tied to a tree and uses solar energy to generate electricity. It can also detect the temperature change in a certain area and send the alarm and specific location to the forest keeper's bracelet. To have a basic treatment of the
fire, as well as faster to the fire department for help.
Zhang yelong ,