Therefore, jointed wooden constructions such as large ornamental window frames, carved screens or moon arches cannot be glued or nailed together, and space has to be left at the joints for expansion and contraction.
因此有接榫的大型花窗、屏風或圓拱門等木件，都不能上膠或上釘，而且要在木頭接榫的地方留有伸縮的空間。