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When disaster happens,the doctors may find it hard to perform operations because the hospitals are destoryed.This astral torch is a repalcement for astral lamp.In daily life,the astral torch is just a light we use at home,when it is needed,several torches can work together to creat a shadowless enviroment.Then doctors can perform operations safely.
Zhao Xiaoliang, Zhang Litao,Ying Fangtian,Gui Xiaorui