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

Construction of timber structures, namely, all structures that can be constructed of timber, such as such as buildings, frames, bridges, boats, artwork, toys, furniture, boxes, and containers; repair of timber structures, namely, all structures constructed of timber, such as buildings, frames, bridges, boats, artwork, toys, furniture, boxes, and containers

Woodworking, in particular gluing and grouting of wooden panels, sticks or blocks into boards; prefabrication of assemblies or sub-assemblies into sections for shipping and later assembly of wooden walls, floors and ceilings for timber structures, and assembly of wooden walls, floors and ceilings for timber structures

Technical planning in the nature of planning the manufacture, prefabrication of of assemblies or sub-assemblies, and assembly of wooden building elements and stacking wood construction parts for timber structures; drafting of construction planning of timber structures