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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.
central vacuum cleaner systems, comprised primarily of central vacuum cleaning installations; vacuum power units, namely, auxiliary power units for supplying electric power to central vacuum cleaning installations; component parts for central vacuum cleaning installations, namely, vacuum inlet valves in the nature of sweep inlet valves, wall mounted inlet valves, electrified valves, utility valves, cyclonic valves, cannister valves and inlet valve repair kits; fittings for central vacuum cleaning installations in the nature of elbow fittings, tee and wye fittings, flanged fittings, couplers and adaptors, all of the foregoing sold as a unit with installation manuals; component parts of central vacuum cleaning installations, namely, vacuum hoses, vacuum power nozzles, vacuum wands, mounting plates in the nature of plastic, metal and compound mounting plates, and plaster guards and accessories therefor, namely, mufflers, wire clips, pipe straps, exhaust vent caps, louvered vents, bag adaptors, slips caps, piper collars and cover plates