Apparatus for air conditioning; Apparatus for heating; Ventilation apparatus; Air purification apparatus; Heaters; Air dryers; Fireplaces (domestic); Apparatus for cleaning gases; Apparatus for exhausting gases (ventilation); Apparatus for extracting gases (ventilation); Apparatus for filtering gases; Cooking apparatus and installations; Apparatus for heating food products; Apparatus for freezing; Apparatus for refrigerating; Lighting fixtures; Sanitary installations; Burners; Boilers (other than parts of machines)