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What is ceramic metal halide light?First of all, what do you actually call these lamps? Ceramic Metal Halide CMH? Light Emitting Ceramic LEC? Or metal halide (Ceramic Discharge Metal Halide CDM)?The t..

1. Let the lamps work at night. It is more than obvious that the night electricity rate is profitable, but people rarely notice exactly how much money can be saved when they make the most of the time ..