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Those who go fishing or tracing the rivers, fall into rivers due to carelessness or flood .The accidents take place without the buoyant apparatus.
Combine the shoes, life buoy and conspicuous balloon device together.
Use the life buoy after falling into rivers, and the red-cross balloon indicates your location so that the rescue personnel can rush to rescue.
National United University
Miaoli, Taiwan
National United University
Miaoli, Taiwan