7 HYDRAULIC MACHINERY, NAMELY, MACHINES FOR HYDRAULICALLY ACTUATING AND CONTROLLING OPERATIONAL MOVEMENTS SUCH AS STARTING, STOPPING, FEEDING, AND REVERSING OF MACHINE TOOLS AND THE LIKE AND REPLACEMENT PARTS THEREFOR; HYDRAULIC MACHINE PARTS, NAMELY, ELECTRIC MOTORS, HYDRAULIC GEAR PUMPS, VALVES, CYLINDERS, PISTONS FOR HYDRAULIC GEAR PUMPS, OIL RESERVOIRS AND REPLACEMENT PARTS THEREFOR