| 摘要 |
<p>The tile (1) has two recesses (2) e.g. main recesses, where each recess is formed on each longitudinal side of the tile. Each of the recesses is located on opposite surface and each of the recesses contains a rectangular groove e.g. main rectangular groove (3), whose width is less than the width of the recess containing the groove so that the tiles are used to stack a head to tail while leaving clearance to stacking, where the tile is flat. Independent claims are also included for the following: (1) a method for assembling wooden roofing tiles (2) a method for manufacturing a wooden roofing tile.</p> |
