Air-conditioning apparatus; Air-conditioning, air cooling and ventilation apparatus and instruments; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Boilers for heating installations; Cleansing/sanitizing system comprising a containment enclosure specially adapted for containing an atomized cleansing/sanitizing spray mechanism for use in the cleansing/sanitizing of objects including articles of manufacture, natural products, foods and pharmaceuticals; Component parts of water cooling towers in the nature of wire mesh hangers for securing slat fill; Components for air conditioning and cooling systems, namely, evaporative air coolers; Cooling installations for water; Cooling units for industrial purposes; Dish disinfectant apparatus for industrial purposes; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electrically-heated diffusion furnaces for industrial use; Emission control systems comprised primarily of indirect contact heat exchangers and ozone-based control devices using gas and vapor condensing to control and treat emissions; Freeze drying equipment, namely, lyophilizers; Gas recycling system comprised primarily of one or more of the following pieces of equipment, namely, pressure swing adsorption equipment, temperature swing adsorption equipment, perm selective membrane equipment, solvent extraction equipment, pervaporation equipment or solid adsorption equipment, for the recovery, purification and return of gases in industrial applications; Gas recycling system comprised primarily of pressure swing adsorption equipment for the recovery, purification and return of gases in industrial applications; Refrigerating machines and installations; Refrigerators; Transport refrigeration units for trucks, trailers and shipping containers