Gas burners; electric water heaters; heating installations; disinfecting cupboards, namely, disinfecting ultraviolet lamps housed in a container or cover for disinfecting objects placed therein, portable electric household appliance used to kill bacteria and viruses on food; water purification installations; air purifying apparatus and machines; electrical cooking apparatus and installations, namely, electric cooking ovens, electric cooktops, electric pressure cookers, electric rice cookers, electrical boilers; gas water heaters; hot water bottles; refrigerators; lavatories dryers, namely, electric hot air hand dryers; bath fittings, namely, drains, spouts, bath tubs and shower trays; extractor hoods for kitchens; air conditioning apparatus; fans, namely, ceiling fans, electric fans; drying apparatus and installations, namely, electric clothes drying machines for household purposes