EE WAS CARRYING DRIVE BELTS TO HIS JOB SITE, WHILE DESCENDING A FLIGHT OF STAIRS, HE SLIPPED ON THE BOTTOM 2 STEPS. HE BUMPED BOTH KNEES AND HIS LEFT SHOULDER. ON 1-25-01 EE WENT TO THE DR BEC AUSE HIS SHOULDER WAS STILL SORE AND HE WAS PRESCRIBED PHYSICAL THERAPY.