Air exchangers for cleaning and purifying air; Air purifying apparatus and machines; Combination ozone sanitizer and electric deodorizing units; Dryers used for the removal of solid, liquid and vapor contaminants from compressed air and gases; Electric air sanitizing unit; Electric coffee brewers; Electric hot plates; Electronic facial steamers; Hand-held electric hair dryers; Hydrogen generators; Hydroponics grow box in the nature of a closed environment equipped with lights, exhaust system,...