Heating installations using solid, liquid or gas fuels or electricity, central heating boilers, boilers for heating installations, radiators [heating], heat exchangers, not parts of machines, stoves, kitchen stoves, solar thermal collectors [heating]; steam, gas and fog generators, steam boilers, other than parts of machines, acetylene generators, oxygen generators, nitrogen generators; installations for air-conditioning and ventilating; cooling installations and freezers; pasteurizers and sterilizers; water softening apparatus; water purification apparatus; water purification installations; waste water purification installations; electric bed warmers and electric blankets, not for medical use; electric pillow warmers; electric or non-electric footwarmers; hot water bottles, electrically heated socks; industrial type installations for cooking, drying and cooling purposes; electric and gas-powered devices, installations and apparatus for cooking, drying and boiling: cookers, electric cooking pots, electric water heaters, barbecues, electric laundry driers; hair driers; hand drying apparatus