Hose whipping causes fatal injuries. Was proper training provided here? A construction crew scrambled for safety when a concrete pump hose suddenly whipped out of control, thrashing violently across the ground and spraying concrete everywhere. This dangerous phenomenon occurs when trapped air in the delivery line becomes compressed and explosively releases, turning the hose into an unpredictable weapon. Workers in hard hats and safety vests dove out of the way as the pressurized hose snapped wil