EE WAS TROUBLESHOOTING TO CORRECT A KILN OPACITY PROBLEM. HE REMOVED THE WRONG PIPE TO GAIN ACCESS TO THE AREA WHERE HE FELT THE PROBLEM WAS CONCENTRATED AND IT LEFT THE ROTARY FEED SCREW UNGU ARDED. HE WAS IN A HURRY AND PLACED HIS HAND INSIDE THE ROTARY FEED SYSTEM TO CHECK IF IT WAS PLUGGED AND CUT HIS FINGER ON THE SCREW.