joinery, craft of assembling exposed woodwork in the interiors of buildings. Where carpentry refers to the rougher, simpler, and primarily structural elements of wood assembling, joinery has to do with difficult surfaces and curvatures, such as those of spiral stairs, with complex intersections of members or moldings, and with the handling of the finer qualities and varieties of woods. The joiner's skill and art thus approach those of the cabinetmaker. One must have an extensive knowledge of geometrical relations and projections, in addition to being manually proficient. In modern woodworking, however, the hand processes of the joiner have, to a large degree, been superseded by mechanical means.
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