3D printers; 3D printing pens; Printing presses; Aircraft engine parts, namely, coils, manifolds and particulate filters; Clothes washing machines; Drain jetters; Electric compressors; Electrical juice extractors for fruit; Electrically-powered steam cleaning device comprising a hose and nozzle and a vapor-producing chamber that is attached to a water source; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Gas-operated power generators; Lawn mowers; Parts for compressed-air machines, namely, pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems sold as an integral component of injection molding machines; Parts for pneumatic blow guns, namely, inflator tips, inflator valves, valve adapters, nozzles, nipples, couplers, connectors and pivots; Pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and aerating ponds and aquariums; Power-driven spanners; Shaft couplings for machines; Utensil baskets for dishwashing machines; Vacuum cleaner attachments for cleaning textured ceilings and upholstery; Vacuum cleaners for household purposes