[ Recuperators for chemical processing; steamers for chemical processing; ] evaporators; [ distillation apparatus; heat exchangers; milk sterilizers; ] industrial furnaces; [ nuclear reactors; for age drying apparatus; industrial boilers; ] industrial air purifiers; air conditioning apparatus and other heating and cooling apparatus for industrial purposes, namely, air handling units, refrigerators, humidifiers, dehumidifiers, electric fans, temperature control units, hydronic cooling units, hydronic heating units, steam cooling units, steam heating units and parts for the aforesaid heating and cooling apparatus, namely, cooling and heating coils, tubing for transporting fluids or gaseous matter through the heating and cooling apparatus, and pumps for transporting fluids or gaseous matter through the heating and cooling apparatus; [ freezing machines and apparatus; electric laundry dryers for industrial purposes; towel steamers for hair dressing purposes; hair drying machines for beauty salon use; hair steamers for beauty salon use; shampoo basins for barbers' shop use; waste water treatment tanks for industrial purposes; septic tanks for industrial purposes; garbage incinerators for industrial purposes; solar water heaters; water purifying apparatus; tap water faucets; level controlling valves for tanks; pipe line cocks ]

Air conditioning equipment installation; [ plumbing and sanitary equipment installation; ] painting plant installation