Electric food warmers; Sous-vide cookers, electric; Sous-vide machines; Sous-vide machines for household use; Sous-vide machines for commercial use; Sous-vide machines for industrial use; Electric sous-vide cookers; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Thermal immersion circulators for cooking