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.
solid carbide or carbide tipped drills, masonry drills, milling cutters, reamers, counterbores, countersinks, router bits, burs, end mills, shell mills, side mills, centers, single point tools, tool holders and parts thereof, boring bars, and hard metal tips, blanks and inserts for all of the same; diamond files; hones; scribes for the marking of hard materials, such as steel, ceramic, glass, and the like; and grinding apparatus