Lightbulbs; Refrigerators; Apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; Beverage cooling and ice dispensing machines; Cabinets used to control temperature and humidity for heating and proofing food goods; Commercial ice cream freezers; Commercial refrigerators and freezers and replacement parts and fittings therefor; Electrical ice cream makers; Ice-cream making machines; Ice cube making machines; Ice machines and apparatus; Refrigerated merchandise display cases; Refrigerating display cabinets; Refrigerating or freezing showcases; Refrigeration equipment, namely, food and beverage chilling units; Refrigerators and freezers for household use and replacement parts and fittings therefor