Artificial stone; Building glass; Building timber; Cabanas not of metal; Crash barriers not of metal; Non-metal coverings for ceilings; Non-metal partitions for building; Plywood; Staircases, not of metal; Wood veneers; Non-metal construction materials, namely, xylolith; Non-metal door frames; Non-metal doors; Non-metal floors; Non-metal folding doors; Non-metal greenhouse frames; Non-metal laths; Non-metal window frames; Non-metal windows; Portable non-metal buildings