Domineering! Junior high school biogas lamp was invented by the Ministry of sanitation

Lot of people walking the dog in the District, leaving the feces can also turn waste into treasure, according to the Beijing Morning Post reported that from Yanqing in the fourth grade students Xu Jian this idea into reality. Called "innovation type biogas lamp shit" invention principle of sound is not complicated, as long as the dog dog directly into the trash. Specially, fermentation tank is equipped by the dog into biogas and biogas can export can be directly used for lighting lighting. Yanqing fourth technology teacher Wang Xiuting said, the current invention has been Yanqing sanitation department "phase", the biogas lamp into the community may they will soon become a reality.

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