7 power-operated drills, namely, hydraulic and pneumatic crawler or wheeled rock, earth retention, anchor and other drills; power-operated drill accessories, namely, drill bits, drill steels, drill casing, drill rods, drill flushing heads; parts for power-operated drills; power-operated drill attachments, namely, drill casing clamps, drill casing breakers, rotary drill heads, hammer drill heads, drill drifters, drill head rotator, drill rod and casing handling racks, magazines and carousels