A. Any place where food is manufactured, produced, prepared, processed, packed, or exposed shall: (i) keep its sidewalls and ceilings well plastered, wainscoted, or ceiled, preferably with metal or lumber, and shall be kept oil-painted or well limewashed; and (ii) keep all interior woodwork clean and washed with soap and water.
B. Every building, room, basement, or cellar occupied or used for the preparation, manufacture, packing, storage, sale, or distribution of food, shall have an impermeable floor made of cement or tile, laid in cement, brick, wood, or other suitable nonabsorbent material that can be flushed and washed clean with water.