EE WAS HELPING ANOTHER EE UNLOAD MATERIAL FROM A PALLET. THE OTHER EE ACCIDENTLALLY DROPPED A PIECE OF STEEL PLATE ON THE EE'S FOOT DUE TO SLIPPERY GLOVES HE WAS WEARING. THE GLOVES WERE SLIPP ERY DUE TO PREVIOUSLY COMING IN CONTACT W/LIME. THE STEEL PLATE LANDED JUST BEFORE HIS STEEL TOE.