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Lamp ,which are everywhere in our daily life, are usually used in two ways:lighting, and directing.
But it also waste the power. Many places have the kind of lamps which light all the time ,all of which lead us from one place to another, then it cause the wastes.
Use of LED technology, and only when in contact with light 。it can guide you to want to go.
Sichuan Fine Arts Institut
chong qing, China