Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; 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; Filters for air conditioning; Heat generators; Ionisation apparatus for the treatment of a...