Ключевые слова: 2x4, background, board, brown, building, building costs, building lumber, carpenter, carpentry, closeup, construction, construction industry, detail, economy, environment, flooring, forestry, hardwood, improvement, industrial, industry, lumber, material, natural, nature, new home, pile, pine, plank, product, project, resource, rough, saw, sawmill, stack, staple, storage, surface, texture, textured, timber, tree, wall, warehouse, wood, wooden,