apparatus for water supply, namely, water purifiers, water dispensers, water coolers, water cooling towers, water fountains, water filters; apparatus for heating, namely, water heaters for domestic, commercial and industrial use; apparatus for refrigerating, namely, water coolers

Treatment of materials, namely, water treatment services, water treatment in the nature of water purification services, and water treatment in the nature of water filtration services

drinking water treatment units for office and domestic use

water and waste water systems