Section 20 Miscellaneous manufactured articles 94 Furniture;bedding,mattresses,mattress supports, cushions and similar s tuffed furnishings;luminaires and lighting fittings,not elsewhere spec ified or included; (see NOT46) 94 06 Prefabricated buildings 94 06 20 Modular building units, of steel Commodity Code Description 94 06 20 00 Modular building units, of steel