- Cases or Cabinets
Refrigeration in open or closed units for the purpose of selling, displaying, or storing perishable materials."Open"refers to cases or cabinets with no covers or with flexible covers made of plastic or some other material, hung in strips or curtains to stop the flow of warm air into the refrigerated space. Examples of open cases are produce, dairy, and deli cases, salad bars, and sandwich preparation units."Closed"refers to units with doors that shut, such as beverage display coolers, grocery coolers or freezers, dessert displays, under-counter coolers, floral display coolers, and ice machines.