11 Apparatus for lighting, namely, lighting fixtures, lighting tracks; apparatus for heating, namely, heating installations, heating boilers, heating furnaces, hot-water space heating apparatus, and heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; apparatus for steam generating, namely, steam generating installations and steam generators; apparatus for cooking, namely, cooktops, cooking ranges; apparatus for refrigerating, namely, refrigerators, refrigerating machines, and refrigeration appliances and installations; apparatus for drying, namely, electric hand drying apparatus for washrooms; apparatus for ventilating, namely, oven ventilator hoods, ventilating exhaust fan, ventilating fans for commercial and industrial use, ventilating louvers and ventilation hoods; apparatus for water supply and sanitary purposes, namely, sanitary installations in the nature of steam rooms, urinals, pipes being parts of sanitary facilities, toilets, hot water tanks, water closets, and water conditioning units; bath installations, bathtubs, reinforcements for water-pipes, namely, shower control valves, tub control valves, and plumbing fittings in the nature of bibs, cocks, traps and valves; installations and apparatus for treating, clarifying, softening, desalinating, cleaning, filtering, deacidifying, dechlorinating and disinfecting water, namely, sustainable onsite water recycling and wastewater treatment systems, water softening apparatus and installations, water softening units, water desalination plants, swimming pool water cleaning and filtering units, water purifies, chemical sterilization units for water treatment and water treatment equipment in the nature of cartridge filtration units, chemical sterilization units, reverse osmosis filtration units, and ultraviolet sterilization units