Air purifying apparatus; Air purifiers; 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; Robotic air purifiers for household purposes; Air purification units; Power-operated sprayers for sanitizing; Power-operated sprayers for disinfecting; Sprayers being disinfectant appar...