If the jump is more than two feet above the water level, then the life-jacket should not be fully inflated, because on striking the water, a blow under the chin from a buoyant life-jacket may render you unconscious or jerk on your neck.
Ukuba ukutsiba kungaphezu kweenyawo ezimbini ngentla kwenqondo lamanzi ke ubomi bebhatyi akufunekanga bunyuswe kakhulu ngenxa yamanzi alwayo inqindi ngaphantsi kwesilevu ukusuka kubomi bebhatyi edadayo ebinganceda ukungaqondi kwakho okanye iphakamise intamo yakho