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When people wear lifevest for any accident in a ship, the survival rate is above 70%. If not, it has been known to be below 30%. As in some cases, ships may be capsized within few seconds, it is necessary for the ships to be furnished with products that can be utilized for individual passenger's lifevest
If any accident occurs, it is available to use PLB as a lifevest by wearing the backpack in front and tightening the string, closing the zipper completely and pulling out a gas expansion trigger in front of the bag. Then the gas inside the backpack will blow up to expand the bag.
Chonnam National University
Gwang-ju, South Korea
Cheonnam National University