19 Lumber; Aviaries not of metal; Door jambs not of metal; Fences, not of metal; Gates, not of metal; Millwork, exclusive of cabinets; Non-metal balustrades; Non-metal door panels; Non-metal fence stays; Non-metal gates and fences; Palings, not of metal; Pre-fabricated non-metal poultry houses; Swing doors, not of metal; Wood boards; Wood door frames