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life link ring is an innovative design for bottle. A life ring could be made up of several emptylife link ring bottles by end to end linking. Such a convenient and cheap life ring making, in some third-world regions like in Bangladesh, could help flood victims,especially the old and the kids, survive and remain safely afloat over the flood surface up until help arrives.
Zhejiang University
HangZhou, China
Yiwu Qiu Zhening Luo Sisi Yuan Shiyi Shao
