37 Installation, maintenance and repair services for food and beverage cooking, heating, cooling and treatment equipment, namely, cooktops, convection ovens, microwave ovens, food warmers, heated buffet counters, heated display cases, heated self-service cases, heated deli cases, buffet counters for refrigerating or cooling food and beverages, refrigerated food preparation counters, chillers, electric meat slicers, sinks for use in food preparation, and food and beverage preparation tables; Installation, maintenance and repair services for refrigerating and freezing equipment, namely, refrigerated display cases for food and beverages, refrigerated self-service cases, refrigerated self-service deli cases, chiller display cases, ice trays, ice cream and gelato display cases, freezers for storing food and beverages, freezer display cases for food and beverages, freezer self-service cases, and wine coolers, namely, refrigerated cabinets containing racks for wine bottles and storage shelves; Installation, maintenance and repair services for refrigeration units, namely, refrigerators for storing food and beverages; Installation, maintenance and repair services for commercial refrigeration units, namely, refrigerators, and food and beverage chilling units; Installation, maintenance and repair services for cooling installations, appliances and machines, namely, cooling apparatus for dispensing cold beverages, cooling apparatus for dispensing soft serve frozen desserts, and cooling apparatus for dispensing frozen drinks; Installation, maintenance and repair services for combination apparatus for cooling and freezing for industrial use; Installation, maintenance and repair services for industrial cooling and freezing apparatus and equipment, namely, modular walk-in chiller and freezer rooms for commercial use