EMPLOYEE'S JOB IS TO LOAD VERTICAL BENCHES WITH EXPLOSIVES (50 LB ANFO AT 1.5 BAGS PER HOLE). REPEATED MOTION OF THIS JOB OVER TIME IS BELIEVED TO HAVE CONTRIBUTED TO SORENESS TO ELBOWS. EMPLO YEE REQUIRED SURGERY ON 10/16/02 AND WAS PUT ON LIGHT DUTY.