Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Disinfecting ultraviolet lamps housed in a container or cover for disinfecting objects placed therein; Germicidal lamps for purifying air; Hair dryers; Humidity control device, namely, a portable container containing a moisture-sensitive silica co-polymer that absorbs or releases moisture to maintain relative humidity in a particular range; Nail drying machines for beauty salons; Nail lamps; Sanitizin...