Industrial electric oscillating fans for automatic cleaning of ceilings, light fixtures, ducts and other overhead structures exposed to fibrous airborne contaminants; 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; Household air cleaners; Vent...