Science project about anti-theft alarms from natural energy. The aim of the study is to learn how to connect a simple circuit of anti-theft alarm and using natural energy sources, such as works by solar power, compressor, compressor, flashlight, etc., in order to learn the circuit and test the power of a highly natural energy. Have the ability and suitability as compared to how much energy from coal? Examine the various ways, such as by highly of dance values a light tone.
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