23 [ Lathes, Drilling Machines, Boring Machines, Planing Machines, Shaping Machines, Slotting Machines, Milling Machines, Sawing Machines, Broaching Machines, Grinding Machines, Lapping Machines, Honing Machines, Rolling Machines, Tapping Machines, Gear Cutters, Transfer Machines, Power Units, Earth and ] Rock Drilling and Boring Machines, and Integral Parts [ of the Foregoing]