Floors, floorings and floor tiles, not of metal; flooring, namely, engineered hardwood, non-metal flooring, hardwood, laminate, ceramic tile, porcelain tile, stone, and vinyl flooring; non-metal curtain walls; ceilings, not of metal; ceramic floor tiles; ceramic wall tiles; glue-laminated wood; laminated flat glass for building; laminate flooring, not of metal; vinyl tile flooring (other than for covering existing floors); wood tile flooring; wooden flooring; natural stone tiles; non-metal floor tiles; non-metal wall tiles; earthenware tiles; hardwood flooring; hardwood boards