EE WAS DISCONNECTING A 2"" RETURN HOSE OFF A LW SHIELD. HE WAS USING HIS PICKHAMMER TO HOLD THE HOSE FITTING WITH HIS LEFT HAND. HE WAS SWINGING ANOTHER HAMMER WITH HIS RIGHT HAND WHEN THE HOSE BROKE FREE. THE END OF THE HOSE FELL STRIKING THE UNDERSIDE OF HIS LEFT WRIST CAUSING THE INJURY.