No person shall sell, expose, or offer for sale, or cause or permit to be sold, exposed, or offered for sale, in the City any article of food prepared or intended for human consumption, which article of food is smoked, cooked, dried or otherwise prepared and intended for human consumption without further cooking, washing or other preparation, unless such article of food is covered or enclosed by glass or some other approved substance or material in such a manner as to prevent the handling of such article of food by any person other than the person selling, offering or exposing such article of food for sale, and to prevent such article of food from coming in contact with any deleterious, unwholesome or unhealthy substance or material; provided, however, that the provisions of this section do not apply to food uncovered in the process of preparation, or to food uncovered for display for immediate consumption on the premises, where steam tables or other approved service tables are in use and are properly protected from unwholesome or unhealthy contamination as provided in this chapter and the California Restaurant Act. (Ord. 855 § 2; prior code § 15.25).