EE WAS MOVING A HALF FULL DRUM OF ANTI-FREEZE FROM THE SHOP TO A HAUL TRUCK OUTISDE OF THE SHOP TO DRAIN ANTI-FREEZE FROM TRUCK INTO DRUM. EE WAS USING A SET OF HAND TRUCKS TO MOVE DRUM. DRUM SHIFTED TO RIGHT SIDE OF HAND TRUCK AND STARTED TO TIP OVER. EE LUNGED TO CATCH DRUM AND STRAINED LOWER BACK.