A SLEDGE HAMMER WAS BEING USED TO CONSTRUCT A NEW PARTITION WALL IN THE SHOP. THE HAMMER SLIPPED OUT OF THE EE'S GLOVED HANDS AND WAS FLUNG IN A PATH TO STRIKE EE BETWEEN THE EYES. HE SLUNG HI S HEAD TO TRY TO AVOID THE IMPACT AND HIS HARD HAT CAME OFF AND THE HAMMER STRUCK HIM IN THE SIDE OF THE HEAD.