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The inflatable buoy a belt shape, worn in swimming, do not open the device does not affect the usually swim in emergency situations (leg cramps, heart disease and other burst body condition), pull the live screen device, built-in compressed gas bottle of carbon dioxide gas will fill the life buoy to float the people. This life cycle to do a cycle of function, the use of the gas can be discharged, the screen back, in a compressed gas bottle once again injected compressed gas can be used again.
Far East University
Tainan City, Taiwan