Abstracts & issuesTo study the concentrations of light. There are different levels to make the system work and a sensor system that is about the power of the Sun. When the needle reaches the level of light, which will make the tube can be attached by sensor system. Derived from the problem that people in the world likes to keep power consumption make it by, Yes, why because of the loss of power to the world. Power in the world, the greater the power decrease, we're becoming aware of this project will make a movie not just study, but in the light of the needle on the other side it to reduce spending in the House, and then reduce the wasteful use of energy again, for this reason, it has created a World Save by Save life.
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