Machine tools for the cutting and forming of materials, metalworking machine tools, gear cutters, milling cutters and thread milling cutters; motors and engines not for land vehicles, namely, aircraft engines, airplane motors, boat engines and motors, diesel engines for machines, diesel engines not for land vehicles, electric motors for machines, engines and motors for model vehicles, aircraft and boats, engines and motors for the generation of electricity; machine coupling and transmission components in the nature of belts, gears, except for land vehicles; agricultural implements in the nature of, incorporators, seed drills, cultivators, harvestors, disk harrows, seeders, combines, threshers, tillers, windrowers, balers for agricultural use, reapers, tractor towed agricultural implements, namely, plows, harrows, disc harrows, mowers, reapers, harvesters, hay rakes, hay balers, broadcast seeders, manure spreaders, fertilizer distributors, corn huskers and rollers; incubator for eggs