EE WAS GREASING A ROCK TRUCK. HE CLIMBED INTO THE CAB TO GET A TUBE OF GREASE. WHEN HE BEGAN CLIMBING DOWN FROM THE CAB HE MISTAKENLY GRABBED THE WINDSHIELD WIPER ARM ISNTEAD OF THE GRAB HANDL E LOCATED BELOW THE WIPER ARM. THE WIPER ARM PULLED AWAY FROM THE TRUCK THROWING HIM OFF BALANCE, HE SLIPPED AND SLID DOWN THE TRUCK'S LADDER LANDING FORCEFULLY ON HIS FEET.