Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Bags and cases specially adapted for holding or carrying hand-held electric hair dryers; Electric fans for personal use; Freeze drying equipment, namely, lyophilizers; Heat sinks for use in heating, cooling and ventilating apparatus; Heat stress machines having temperature controlled ceramic heating elements for heating tubes, pipes and welds; Heating and cooling mats for pets, not for veterinary purposes; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Portable air conditioners; Power-operated vaporizers for household purposes