Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; 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; Cooking ovens; Drinking fountains; Electric apparatus for making coffee; Electric coffee makers; Electric food dehydrators; Electric skillets; Electrical ice cream makers; Hair dryers; Luminaires, using light emitting diodes (LEDs) as a light source, for street or roadway lighting; Nail drying machines for beauty salons; Reading lights; Sanitizing apparatus for linens using ultraviolet light, ozone sterilization and low pressure techniques; Water softening units