Lumber; Pressure treated lumber containing a factory-applied water repellent; Chemically treated lumber; Boards of wood; Chemically treated wood, namely, wood beams, wood boards, wood joists, wood rafters, wood siding, wood tile floors and flooring, wood trim, wooden beams, wooden flooring, wooden railings, and wooden wainscoting, all of the above containing a fire retardant chemical; Building materials, namely, semi-worked woods; Wooden building materials, namely, wooden sidewalls, shakes, shingles, boards, lumber, posts, and sheets, medium density fiberboards, plywood, and building panels made from reconstructed wood elements; Building timber