Lighters; lamps; lanterns for lighting; electric lamps; ceiling lights; flares; street lamps; water heaters; gas burners; hot plates; microwave ovens; coal gas water heater; refrigerators; air cooling apparatus; air conditioning installations; air filtering installations; extractor hoods for kitchens; air purifying apparatus; boilers (other than parts of machines); heating installations (hot water); heating boilers; heat exchangers (not parts of machines); hearths; portable forges; gas boiler...