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; creosote treated railroad cross ties, bridge timbers, crossing timbers, fabricated timbers, namely, artificial and partly processed timbers, and timber, namely, wooden timbers; chemically treated non-metal fence post, non-metal posts for nurseries, wood poles. namely, barn building poles, and non-metal utility poles; pressure-treated wood columns