THE WIZARD OF OZ

APPARATUS FOR HEATING, COOLING, VENTILATING, AIR CONDITIONING, AND INSTALLATIONS, THEREOF; AIR DRIERS, AIR RE-HEATERS, STERILISERS, CENTRAL HEATING RADIATORS, DRYING APPARATUS, DESICCATING APPARATUS, AND INSTALLATIONS THEREOF; REFRIGERATORS AND REFRIGERATING EQUIPMENT, AND INSTALLATIONS THEREOF; AIR FILTRATION AND APPARATUS AND INSTALLATIONS; EVAPORATIVE AIR COOLERS, FANS, BLOWERS, FILTERS, DUCTS, CONTROLLERS, FITTINGS AND ACCESSORIES THEREFORE; VENTILATION EQUIPMENT INCLUDING VENTILATION HOODS