1.1 This specification covers commercial ice cream, soft serve, and shake freezers, which freeze and dispense frozen product (dairy, yogurt, custard, etc.) on a continuous basis. Included are conventional and heat-treatment freezers. This specification covers the design, performance, and certification requirements pertinent to the construction of commercial ice cream, soft serve, and shake freezers that freeze and dispense frozen products (dairy, yogurt, custard, etc.) on a continu