Lighting apparatus and installations; cooking apparatus and installations; refrigerators; air conditioning apparatus; heating apparatus, electric; heating installations; sanitary apparatus and installations; sterilized cupboard; radiators, electric; friction lighters for igniting gas; water heaters; microwave ovens cooking apparatus; extractor hoods for kitchens; gas burners; refrigerating appliances and installations; sun energy water heater; freezers; coffee machines, electric; laundry dryers, electric; exhaust fan; hand drying apparatus for washrooms; central heating radiators