Air-conditioning apparatus; Air valves for steam heating installations; Bakers' ovens; Barbecue smoker accessories, namely, convection plates; Clothes drying machines; Coffee machines, electric; Cooling installations for water; Discharge tubes, electric, for lighting; Hot water heating installations; Humidifiers for central heating radiators; Ice machines and apparatus; Laboratory burners; Laboratory refrigerators; Lamp bulbs; Laundry room boilers; Light bulbs for directional signals for vehi...