WHILE ALLIGNING & UNLOADING APPARATUS UNDER RAILCAR IN ORDER TO DRAIN THE RAILCAR, A WHEEL BE- CAME STUCK BETWEEN THE RAIL AND THE UNLOADING APPARATUS, WHILE PULLING THE INJURED EMPLOYEE HURT HIS LEFT SHOULDER. DR. SAID HE STRAINED HISLEFT SHOULDER AND TOLD HIM TO TAKE IBUPROHEN AS NEEDED.