Preservation pressure treatment of wood; sawmill planing of wood; treatment of wood for preservation purposes, namely, preservation treatment of lumber; treatment of wood for preservation purposes; woodworking, namely, kiln drying of structural timber; woodworking, namely, stratification of wood; woodworking, namely, sawing of wood; cabinetmaking services; rental of machines and apparatus for working wood; provision of information relating to woodworking; laminating of wood substitutes