23 MANUAL AND POWERED MAINTENANCE TOOLS AND EQUIPMENT-NAMELY, PULLING TOOLS FOR REMOVAL AND INSTALLATION OF GEARS, BEARINGS, WHEELS, PULLEYS, SLEEVES, SHAFTS, AND OTHER FRICTION-FITTED PARTS; SPECIALIZED AUTOMOTIVE AND TRACTOR REPAIR TOOLS AND EQUIPMENT-NAMELY, HYDRAULIC SHOP PRESSES, SHOP CRANES, ENGINEER REPAIR STANDS, TRANSMISSION JACKS, HOLDING FIXTURES, AND HYDRAULIC POWER UNITS; HYDRAULICALLY-POWERED FORCING PRESSES, SHOP CRANES, AND CRAWLER TRACK PRESSES; HYDRAULIC CYLINDERS, PUMPING UNITS, AND MACHANICS' HAND TOOLS