EE WAS ASSIGNED (WITH OTHERS) OF REPLACING A LIMESTONE WEIGH BELT; THIS IS AN ENDLESS BELT APPROIMATELY 4' WIDE X 18' LONG. MUCH OF THE REPLACEMENT OF THIS BELT MUST BE DONE BY HAND AND IS HEA VY AND CLOSE FITTING. DURING THE PROCESS OF REPLACING THE BELT THE EE FELT PAIN IN HIS LEFT SHOULDER.