THE LOADER HAD JUST SET A LOAD OF SLABS IN A CART. THE LOADER THEN RELEASED THE PRESSURE OFF THE SLABS BY LOOSENING THE CABLE BALES. THE MEN THEN ADVANCED TO REMOVE THE BALES FROM AROUND THE SLABS. THERE WAS A 40 LB LOOSE PIECE OF STONE ON TOP OF THE SLABS & AS HE REMOVED THE BALES IT HIT THE LOOSE PIECE & FELL ABOUT FIVE FEET HITTING HIS FOOT RIGHT ABOVE THE STEEL TOE.