EMPLOYEE WAS MOVING A 55 GALLON DRUM OF OIL FROMA PALLET ON A FORKLIFT INTO THE OIL SHED. DRUM TIPPED SLIGHTLY AND EMPLOYEE REACTED TO PREVENT DRUM FROM TIPPING OVER. THIS ACTION CAUSED HIM TO SCRAPE HIS RIGHT ARM AGAINST THE DOOR FRAME, RESULTING IN A LACERATION ABOUT 2.5"" LONG.