EE WAS DRILLING A HOLE IN THE SOUTH SIDE OF THE CLINKER COOLER WHEN HE SAT AGAINST THE HOT BIT CAUSING HIM TO MOVE QUICKLY TWISTING HIS LEFT KNEE. EE'S KNEE CONTINUED TO BE SORE MONDAY A.M. SO HE REPORTED INCIDENT TO SUPERVISOR. EE WAS SENT TO DOCTOR AND PLACED ON FIVE DAYS LIGHT DUTY.