Air-conditioning installations; Apparatus for disinfecting water; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Bath installations; Cooling apparatus for medical storage purposes; Cooling installations for water; Disinfectant apparatus for medical purposes; Electric lamps; Fitted liners for baths and showers; Flashlights; Gas scrubbing apparatus; Heat sinks for use in heating, cooling and ventilating appa...