Common metals and their alloys unwrought or semi-wrought; Metal building materials, namely, metal thresholds, metal door units, door jams of metal, metal door trim, metal door latches, windows of metal, metal window frames, metal window casements, metal window jambs; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery being small items of metal hardware, namely, screws of metal, nails, metal locks, metal hinges; pipes and tubes of metal; safes; goods of common metal, namely, metal gutters, metal strapping or tie downs, exterior metal shutters; ores, namely, ores of metal, chrome ores, nickel ores, tungsten ores

Non-metal building materials, namely, non-metal doors, non-metal door units, non-metal door jambs, non-metal door surrounds, non-metal door panels, frames, and casings, non-metal door parts for buildings in the nature of adjusters for adjusting the height of a door, floor boards, columns, beams, paneling boards, sill, sleepers, backings for ceilings or wall, stiles, rails and ceiling boards, non-metal windows, window frames, sashes and casements made of wood, non-metal window jambs, insulating glass for windows for building purposes, plate glass windows for building; nonmetallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal