If you have an old inflatable mattress, consisting of several independent sections, it is easy to adapt as life jacket for boating. You will have to sacrifice one of the middle sections, making it T-shaped hole for threading of the head. To fix the other slightly inflated section around the torso using the waist belt and extra lacing.
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40 SECONDS IN THE AIR, THE RANGE OF DIRECT FLIGHT 114 M AND THE TOTAL LENGTH OF THE TRAJECTORY IS ABOUT ONE - THIRD OF THE KILOMETER- THESE ARE RECORD FIGURES RECORDED BY THE...
