EE HAD JUST FINISHED LOADING A PALLET OF WALLSTONE, HE LOWERED THE PALLET DOWN WITH THE HYDRAULIC LIFT TO THE CONVEYOR LEVEL. HE TRIED TO PUSH THE PALLET, WEIGHING ONE TON, ONTO THE ROLLERS ON THE CONVEYOR. HE PUSHED HARDER AND FELT SOMETHING GIVE IN SHOULDER. HE CONTINUED TO WORK THAT DAY BUT WENT TO THE DR THE NEXT DAY.