INJURED STATED HE WAS REMOVING A PLUG TO CHECK THE OIL IN THE HEAD OF THE CONT MINER AND THE WRENCH SLIPPED CAUSING INJURED'S HAND TO STRIKE A BIT ON THE HEAD OF THE MINER. INJURED HAD NO LOST TIME UNTIL 8-7-02 AT WHICH TIME HE WENT TO THE DR AND DISCOVERED HIS HAND HAD BECAME INFECTED.