Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Apparatus for dehydrating food waste; Bioreactor for use in the treatment of wastewater and waste; Decorative lighting in the nature of electrically-illuminated figurines, lanterns; Fitted covers for barbecue grills; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Refrigerating cabinets; Refrigerating or freezing showcases; Toilet seats; Toilet stool units with a washing water squirter