7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
earth drilling machines and parts and accessories therefor, namely, drilling rigs, rock drills, core barrels, drill rods, drill pipe, drill tubing, drill rod shank adapter, drill rod couplers, overshot assemblies, drill bits, drilling inserts, reaming shells, reamers, water swivel for earth drilling equipment, hoisting plugs, casings, casing cutter, casing shoes, casing bits, casings, and outer tube, adapters for drill rods, water swivels, hoisting plugs, casings and recovery tools, deflection wedges, conversion kits for core barrels, overshot assemblies, and water swivels, wireline loading chambers, pneumatic feedleg for rock drills, augers, water pumps for earth drilling tools and equipment