19 Building materials of wood, namely, wooden beams, boards, braces, fixtures, pegs, planks, flooring, tiles, pilings, columns, blocks, frames, molding, paneling, posts, rafters, siding, sashes, trim, sheets; building elements of wood, namely, wooden beams, boards, braces, fixtures, pegs, planks, flooring, tiles, pilings, columns, blocks, frames, molding, paneling, posts, rafters, siding, sashes, trim, sheets; wall, bridge, ceiling and supporting elements of wood, namely, wooden beams, boards, braces, fixtures, pegs, planks, flooring, tiles, pilings, columns, blocks, frames, posts, rafters, siding, sashes, sheets; stacking wood construction parts, namely, wooden wooden beams, boards, braces, fixtures, pegs, planks, flooring, tiles, pilings, columns, blocks, frames, molding, paneling, posts, rafters, siding, sashes, trim, sheets; pressed, bonded and glued building elements of wood, namely, wood stacks of posts and boards; construction elements in the nature of supporting structures of wood for timber structures; wood panelling