Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes

441811 Wood; windows, French-windows and their frames; of tropical wood 441819 Wood; windows, French-windows and their frames; (of other than tropical wood) 441821 Wood; doors and their frames and thresholds, of tropical wood; 441829 Wood; doors and their frames and thresholds, (of other than tropical wood) 441830 wood; posts and beams other than products of subheadings 4418.81 to 4418.89 441840 Wood; shuttering for concrete constructional work 441850 Wood; shingles and shakes 441873 Wood; assembled flooring panels, of bamboo or with at least the top layer (wear layer) of bamboo 441874 Wood; assembled flooring panels, not of bamboo or with at least the top layer (wear layer) of bamboo, for mosaic floors 441875 Wood; assembled flooring panels, not of bamboo or with at least the top layer (wear layer) of bamboo, multilayer 441879 Wood; assembled flooring panels, n.e.c in headings 4418.73, 4418.74 or 4418.75 441881 Wood; engineered structural timber products, glue-laminated timber (glulam) 441882 Wood; engineered structural timber products, cross-laminated timber (CLT or X-lam) 441883 Wood; engineered structural timber products, I beams 441889 Wood; engineered structural timber products, other than glue-laminated timber (glulam), cross-laminated timber (CLT or X-lam), or I beams 441891 Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, of bamboo 441892 Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, cellular wood panels 441899 Wood; builders' joinery and carpentry of wood n.e.c. in heading no. 4418, other than of bamboo or cellular wood panels