CONTRACTOR WORKER WAS DOING ROUTINE MAINTENACE IN THE GREEN AREAS NEXT TO THE ADMINISTRATION AND SCALE BUILDINGS. THE WORKER WAS OPERATING THE LAWN MOWER TRACTOR, A PIECE OF TREE TRUNK GOT ST UCK UNDER THE MOWER BLADES, AT THAT MOMENT THE WORKER STEP OUT OF THE TRUCK WITH THE EQUIPMENT RUNNING, THE TRACTOR WAS IN A SLOPE, HIS RIGHT LEG GOT UNDER THE MOWER BLADE.