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The letter S means safe, swift and stable. S-shelter can be placed in your home as a casual space in ordinary days; but once an emergency arise, such as an earthquake or a flood, it will instantly become a life shelter to protect you and your family after simply pulling its handle. That is because that after pulling the handle, the chemical reaction will generate large volumes of gas filling all of space in air sacs.
School of Manufacturing Science and Engineering, Sichuan University
Zhengkui / Li Pengcheng /An Xianling / Li Wei / Wang