| 摘要 |
A wooden door with panel ribs ( 2.10, 2.12, 2.14 ) in the hollow core of the door wherein the ribs are made from scrap wood pieces. Since the scrap wood pieces are usually too short for this purpose, a method is also described that teaches means to connect the ribs made from the scrap wood pieces into useful lengths by the use of notches, connector blocks and conventional fasteners.
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