REMOVING A SINKING HAMMER FROM THE TOP SHELF OF THE PARTS CABINET WITH A 1 TON CRAWL. WHEN THE SINKING HAMMER WAS LIFTED, IT CAME TOWARD THE EE CAUSING HIM TO BACK INTO A 83 MACHINE. THE EE ST RUCK THE 83 MACHINE IN THE LOW BACK AREA. FIRST TREATED AND RELEASED 11-16-00.