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While people in a dangerous environment,breaking the window is an effective and direct way to get out, but usually time does not allow you to find the appropriate tools,especially in the face of tempered glass.
Actully,sometimes we can make use of some very unusual things such as keys.This key is desiged with a diamond on the top of it,the same as a glass cutter. With such kind key,while you are facing dangerous,you can easily smash the glass and get escaped.
Shen jie Zhang linhao Cao ming
Cheng peng Jia peng Wang dongdong Gao yupeng Zhang huizhong