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In the rescue of drowning people,artificial methods may make the rescue invalid and the rescuers may also be in danger.It is hidden in the column lights by the river in normal times.When someone falls in the water, the rescuer can connect with phone, when it is manipulated, it launches a rescue signal, it will fly to the drowning man in a fast .Then it begins to dive into water,until it do locates underneath the drowning one and the inner air bag will open up! With nitrogen pouring into it , fainted or struggling drowned man can float on the surface of the water safely.It will operate to send person who in danger to the bank of river.
Chongqing Technology and Business
University
chongqing, China
yue miao,
Chongqing Technology and Business